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Finding the Fourth Proportional to 87,255.40, 130,901.70 and 49,833.40

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Solution

The fourth proportional to 87,255.40, 130,901.70 and 49,833.40 is: 74,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,255.40 : 130,901.70 = 49,833.40 : x
  2. Step 2: Convert to fraction form
    87,255.40/130,901.70 = 49,833.40/x
  3. Step 3: Cross multiply
    87,255.40x = 130,901.70 × 49,833.40
  4. Step 4: Simplify right side
    87,255.40x = 6,523,276,776.78
  5. Step 5: Solve for x
    x = 6,523,276,776.78/87,255.40
  6. Step 6: Final answer
    x = 74,760.72

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