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Finding the Fourth Proportional to 83,732.01, 125,428.32 and 38,689.34

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Solution

The fourth proportional to 83,732.01, 125,428.32 and 38,689.34 is: 57,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,732.01 : 125,428.32 = 38,689.34 : x
  2. Step 2: Convert to fraction form
    83,732.01/125,428.32 = 38,689.34/x
  3. Step 3: Cross multiply
    83,732.01x = 125,428.32 × 38,689.34
  4. Step 4: Simplify right side
    83,732.01x = 4,852,738,290.97
  5. Step 5: Solve for x
    x = 4,852,738,290.97/83,732.01
  6. Step 6: Final answer
    x = 57,955.59

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