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Finding the Fourth Proportional to 83,639.70, 125,447.40 and 24,469.20

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Solution

The fourth proportional to 83,639.70, 125,447.40 and 24,469.20 is: 36,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,639.70 : 125,447.40 = 24,469.20 : x
  2. Step 2: Convert to fraction form
    83,639.70/125,447.40 = 24,469.20/x
  3. Step 3: Cross multiply
    83,639.70x = 125,447.40 × 24,469.20
  4. Step 4: Simplify right side
    83,639.70x = 3,069,597,520.08
  5. Step 5: Solve for x
    x = 3,069,597,520.08/83,639.70
  6. Step 6: Final answer
    x = 36,700.25

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