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Finding the Fourth Proportional to 90,702.31, 125,163.64 and 50,414.71

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Solution

The fourth proportional to 90,702.31, 125,163.64 and 50,414.71 is: 69,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,702.31 : 125,163.64 = 50,414.71 : x
  2. Step 2: Convert to fraction form
    90,702.31/125,163.64 = 50,414.71/x
  3. Step 3: Cross multiply
    90,702.31x = 125,163.64 × 50,414.71
  4. Step 4: Simplify right side
    90,702.31x = 6,310,088,613.14
  5. Step 5: Solve for x
    x = 6,310,088,613.14/90,702.31
  6. Step 6: Final answer
    x = 69,569.22

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