Home / 84,778.92-126,874.02-52,744.83

Finding the Fourth Proportional to 84,778.92, 126,874.02 and 52,744.83

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Solution

The fourth proportional to 84,778.92, 126,874.02 and 52,744.83 is: 78,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,778.92 : 126,874.02 = 52,744.83 : x
  2. Step 2: Convert to fraction form
    84,778.92/126,874.02 = 52,744.83/x
  3. Step 3: Cross multiply
    84,778.92x = 126,874.02 × 52,744.83
  4. Step 4: Simplify right side
    84,778.92x = 6,691,948,616.32
  5. Step 5: Solve for x
    x = 6,691,948,616.32/84,778.92
  6. Step 6: Final answer
    x = 78,934.11

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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.