Home / 80,793.30-121,319.55-54,614.10

Finding the Fourth Proportional to 80,793.30, 121,319.55 and 54,614.10

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Solution

The fourth proportional to 80,793.30, 121,319.55 and 54,614.10 is: 82,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,793.30 : 121,319.55 = 54,614.10 : x
  2. Step 2: Convert to fraction form
    80,793.30/121,319.55 = 54,614.10/x
  3. Step 3: Cross multiply
    80,793.30x = 121,319.55 × 54,614.10
  4. Step 4: Simplify right side
    80,793.30x = 6,625,758,035.66
  5. Step 5: Solve for x
    x = 6,625,758,035.66/80,793.30
  6. Step 6: Final answer
    x = 82,008.76

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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.