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Finding the Fourth Proportional to 79,859, 110,205.92 and 44,049.96

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Solution

The fourth proportional to 79,859, 110,205.92 and 44,049.96 is: 60,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,859 : 110,205.92 = 44,049.96 : x
  2. Step 2: Convert to fraction form
    79,859/110,205.92 = 44,049.96/x
  3. Step 3: Cross multiply
    79,859x = 110,205.92 × 44,049.96
  4. Step 4: Simplify right side
    79,859x = 4,854,566,367.76
  5. Step 5: Solve for x
    x = 4,854,566,367.76/79,859
  6. Step 6: Final answer
    x = 60,789.22

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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.