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Finding the Fourth Proportional to 75,613.90, 113,490.95 and 38,200.31

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Solution

The fourth proportional to 75,613.90, 113,490.95 and 38,200.31 is: 57,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.90 : 113,490.95 = 38,200.31 : x
  2. Step 2: Convert to fraction form
    75,613.90/113,490.95 = 38,200.31/x
  3. Step 3: Cross multiply
    75,613.90x = 113,490.95 × 38,200.31
  4. Step 4: Simplify right side
    75,613.90x = 4,335,389,605.86
  5. Step 5: Solve for x
    x = 4,335,389,605.86/75,613.90
  6. Step 6: Final answer
    x = 57,335.88

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