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Finding the Fourth Proportional to 83,471.24, 115,230.20 and 47,654.33

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Solution

The fourth proportional to 83,471.24, 115,230.20 and 47,654.33 is: 65,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,471.24 : 115,230.20 = 47,654.33 : x
  2. Step 2: Convert to fraction form
    83,471.24/115,230.20 = 47,654.33/x
  3. Step 3: Cross multiply
    83,471.24x = 115,230.20 × 47,654.33
  4. Step 4: Simplify right side
    83,471.24x = 5,491,217,976.77
  5. Step 5: Solve for x
    x = 5,491,217,976.77/83,471.24
  6. Step 6: Final answer
    x = 65,785.75

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