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Finding the Fourth Proportional to 71,545.08, 107,318.37 and 21,625.59

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Solution

The fourth proportional to 71,545.08, 107,318.37 and 21,625.59 is: 32,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.08 : 107,318.37 = 21,625.59 : x
  2. Step 2: Convert to fraction form
    71,545.08/107,318.37 = 21,625.59/x
  3. Step 3: Cross multiply
    71,545.08x = 107,318.37 × 21,625.59
  4. Step 4: Simplify right side
    71,545.08x = 2,320,823,069.09
  5. Step 5: Solve for x
    x = 2,320,823,069.09/71,545.08
  6. Step 6: Final answer
    x = 32,438.61

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