Home / 80,260.62-120,280.22-60,517.48

Finding the Fourth Proportional to 80,260.62, 120,280.22 and 60,517.48

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Solution

The fourth proportional to 80,260.62, 120,280.22 and 60,517.48 is: 90,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260.62 : 120,280.22 = 60,517.48 : x
  2. Step 2: Convert to fraction form
    80,260.62/120,280.22 = 60,517.48/x
  3. Step 3: Cross multiply
    80,260.62x = 120,280.22 × 60,517.48
  4. Step 4: Simplify right side
    80,260.62x = 7,279,055,487.22
  5. Step 5: Solve for x
    x = 7,279,055,487.22/80,260.62
  6. Step 6: Final answer
    x = 90,692.74

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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.