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Finding the Fourth Proportional to 83,732.31, 115,471.26 and 55,001.43

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Solution

The fourth proportional to 83,732.31, 115,471.26 and 55,001.43 is: 75,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.31 : 115,471.26 = 55,001.43 : x
  2. Step 2: Convert to fraction form
    83,732.31/115,471.26 = 55,001.43/x
  3. Step 3: Cross multiply
    83,732.31x = 115,471.26 × 55,001.43
  4. Step 4: Simplify right side
    83,732.31x = 6,351,084,423.90
  5. Step 5: Solve for x
    x = 6,351,084,423.90/83,732.31
  6. Step 6: Final answer
    x = 75,849.87

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