Home / 80,319.27-110,843.45-48,481.95

Finding the Fourth Proportional to 80,319.27, 110,843.45 and 48,481.95

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Solution

The fourth proportional to 80,319.27, 110,843.45 and 48,481.95 is: 66,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.27 : 110,843.45 = 48,481.95 : x
  2. Step 2: Convert to fraction form
    80,319.27/110,843.45 = 48,481.95/x
  3. Step 3: Cross multiply
    80,319.27x = 110,843.45 × 48,481.95
  4. Step 4: Simplify right side
    80,319.27x = 5,373,906,600.73
  5. Step 5: Solve for x
    x = 5,373,906,600.73/80,319.27
  6. Step 6: Final answer
    x = 66,906.82

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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.