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Finding the Fourth Proportional to 71,352.59, 107,034.82 and 23,965.43

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Solution

The fourth proportional to 71,352.59, 107,034.82 and 23,965.43 is: 35,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.59 : 107,034.82 = 23,965.43 : x
  2. Step 2: Convert to fraction form
    71,352.59/107,034.82 = 23,965.43/x
  3. Step 3: Cross multiply
    71,352.59x = 107,034.82 × 23,965.43
  4. Step 4: Simplify right side
    71,352.59x = 2,565,134,891.18
  5. Step 5: Solve for x
    x = 2,565,134,891.18/71,352.59
  6. Step 6: Final answer
    x = 35,950.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.