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Finding the Fourth Proportional to 60,092.72, 82,920.66 and 33,231.57

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Solution

The fourth proportional to 60,092.72, 82,920.66 and 33,231.57 is: 45,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,092.72 : 82,920.66 = 33,231.57 : x
  2. Step 2: Convert to fraction form
    60,092.72/82,920.66 = 33,231.57/x
  3. Step 3: Cross multiply
    60,092.72x = 82,920.66 × 33,231.57
  4. Step 4: Simplify right side
    60,092.72x = 2,755,583,717.24
  5. Step 5: Solve for x
    x = 2,755,583,717.24/60,092.72
  6. Step 6: Final answer
    x = 45,855.54

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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.