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Finding the Fourth Proportional to 82,502.29, 123,544.11 and 69,140.15

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Solution

The fourth proportional to 82,502.29, 123,544.11 and 69,140.15 is: 103,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,502.29 : 123,544.11 = 69,140.15 : x
  2. Step 2: Convert to fraction form
    82,502.29/123,544.11 = 69,140.15/x
  3. Step 3: Cross multiply
    82,502.29x = 123,544.11 × 69,140.15
  4. Step 4: Simplify right side
    82,502.29x = 8,541,857,951.32
  5. Step 5: Solve for x
    x = 8,541,857,951.32/82,502.29
  6. Step 6: Final answer
    x = 103,534.80

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