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Finding the Fourth Proportional to 87,932.64, 121,344.52 and 51,633.52

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Solution

The fourth proportional to 87,932.64, 121,344.52 and 51,633.52 is: 71,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.64 : 121,344.52 = 51,633.52 : x
  2. Step 2: Convert to fraction form
    87,932.64/121,344.52 = 51,633.52/x
  3. Step 3: Cross multiply
    87,932.64x = 121,344.52 × 51,633.52
  4. Step 4: Simplify right side
    87,932.64x = 6,265,444,700.31
  5. Step 5: Solve for x
    x = 6,265,444,700.31/87,932.64
  6. Step 6: Final answer
    x = 71,252.78

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