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Finding the Fourth Proportional to 62,472.88, 93,723.12 and 29,174.80

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Solution

The fourth proportional to 62,472.88, 93,723.12 and 29,174.80 is: 43,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.88 : 93,723.12 = 29,174.80 : x
  2. Step 2: Convert to fraction form
    62,472.88/93,723.12 = 29,174.80/x
  3. Step 3: Cross multiply
    62,472.88x = 93,723.12 × 29,174.80
  4. Step 4: Simplify right side
    62,472.88x = 2,734,353,281.38
  5. Step 5: Solve for x
    x = 2,734,353,281.38/62,472.88
  6. Step 6: Final answer
    x = 43,768.64

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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.