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Finding the Fourth Proportional to 62,129.61, 85,747.92 and 35,266.56

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Solution

The fourth proportional to 62,129.61, 85,747.92 and 35,266.56 is: 48,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,129.61 : 85,747.92 = 35,266.56 : x
  2. Step 2: Convert to fraction form
    62,129.61/85,747.92 = 35,266.56/x
  3. Step 3: Cross multiply
    62,129.61x = 85,747.92 × 35,266.56
  4. Step 4: Simplify right side
    62,129.61x = 3,024,034,165.56
  5. Step 5: Solve for x
    x = 3,024,034,165.56/62,129.61
  6. Step 6: Final answer
    x = 48,672.99

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1.5x scale

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.