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Finding the Fourth Proportional to 71,609.61, 107,414.46 and 27,226.11

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Solution

The fourth proportional to 71,609.61, 107,414.46 and 27,226.11 is: 40,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,609.61 : 107,414.46 = 27,226.11 : x
  2. Step 2: Convert to fraction form
    71,609.61/107,414.46 = 27,226.11/x
  3. Step 3: Cross multiply
    71,609.61x = 107,414.46 × 27,226.11
  4. Step 4: Simplify right side
    71,609.61x = 2,924,477,903.55
  5. Step 5: Solve for x
    x = 2,924,477,903.55/71,609.61
  6. Step 6: Final answer
    x = 40,839.18

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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.