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Finding the Fourth Proportional to 80,323.52, 120,363.24 and 63,613.76

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Solution

The fourth proportional to 80,323.52, 120,363.24 and 63,613.76 is: 95,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.52 : 120,363.24 = 63,613.76 : x
  2. Step 2: Convert to fraction form
    80,323.52/120,363.24 = 63,613.76/x
  3. Step 3: Cross multiply
    80,323.52x = 120,363.24 × 63,613.76
  4. Step 4: Simplify right side
    80,323.52x = 7,656,758,262.18
  5. Step 5: Solve for x
    x = 7,656,758,262.18/80,323.52
  6. Step 6: Final answer
    x = 95,323.99

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1.5x scale

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.