Let the length of the rectangular plot be 11x meters and the breadth be 4x meters.
The perimeter of the rectangular plot is given by 2(length + breadth) = 2(11x + 4x) = 30x meters.
The cost of fencing the plot is Rs. 75,000 at the rate of Rs. 100 per meter.
Therefore, the total length of the fence is 75000 / 100 = 750 meters.
So, we have the equation:
30x = 750
x = 750 / 30
x = 25
Therefore, the length of the plot is 11x = 11 * 25 = 275 meters, and the breadth of the plot is 4x = 4 * 25 = 100 meters.
The dimensions of the plot are 275 meters by 100 meters.