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Finding the Fourth Proportional to 61,469.30, 84,832.17 and 34,614.74

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Solution

The fourth proportional to 61,469.30, 84,832.17 and 34,614.74 is: 47,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,469.30 : 84,832.17 = 34,614.74 : x
  2. Step 2: Convert to fraction form
    61,469.30/84,832.17 = 34,614.74/x
  3. Step 3: Cross multiply
    61,469.30x = 84,832.17 × 34,614.74
  4. Step 4: Simplify right side
    61,469.30x = 2,936,443,508.19
  5. Step 5: Solve for x
    x = 2,936,443,508.19/61,469.30
  6. Step 6: Final answer
    x = 47,770.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.