Home / 80,724.24-120,922.20-59,726.88

Finding the Fourth Proportional to 80,724.24, 120,922.20 and 59,726.88

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Solution

The fourth proportional to 80,724.24, 120,922.20 and 59,726.88 is: 89,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.24 : 120,922.20 = 59,726.88 : x
  2. Step 2: Convert to fraction form
    80,724.24/120,922.20 = 59,726.88/x
  3. Step 3: Cross multiply
    80,724.24x = 120,922.20 × 59,726.88
  4. Step 4: Simplify right side
    80,724.24x = 7,222,305,728.74
  5. Step 5: Solve for x
    x = 7,222,305,728.74/80,724.24
  6. Step 6: Final answer
    x = 89,468.86

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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.