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Finding the Fourth Proportional to 62,125.88, 85,728.29 and 35,269.52

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Solution

The fourth proportional to 62,125.88, 85,728.29 and 35,269.52 is: 48,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,125.88 : 85,728.29 = 35,269.52 : x
  2. Step 2: Convert to fraction form
    62,125.88/85,728.29 = 35,269.52/x
  3. Step 3: Cross multiply
    62,125.88x = 85,728.29 × 35,269.52
  4. Step 4: Simplify right side
    62,125.88x = 3,023,595,033.73
  5. Step 5: Solve for x
    x = 3,023,595,033.73/62,125.88
  6. Step 6: Final answer
    x = 48,668.85

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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.