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Finding the Fourth Proportional to 61,683.71, 92,519.33 and 41,820.73

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Solution

The fourth proportional to 61,683.71, 92,519.33 and 41,820.73 is: 62,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,683.71 : 92,519.33 = 41,820.73 : x
  2. Step 2: Convert to fraction form
    61,683.71/92,519.33 = 41,820.73/x
  3. Step 3: Cross multiply
    61,683.71x = 92,519.33 × 41,820.73
  4. Step 4: Simplify right side
    61,683.71x = 3,869,226,234.97
  5. Step 5: Solve for x
    x = 3,869,226,234.97/61,683.71
  6. Step 6: Final answer
    x = 62,726.88

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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.