Home / 80,280.70-120,416.42-24,119.61

Finding the Fourth Proportional to 80,280.70, 120,416.42 and 24,119.61

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Solution

The fourth proportional to 80,280.70, 120,416.42 and 24,119.61 is: 36,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.70 : 120,416.42 = 24,119.61 : x
  2. Step 2: Convert to fraction form
    80,280.70/120,416.42 = 24,119.61/x
  3. Step 3: Cross multiply
    80,280.70x = 120,416.42 × 24,119.61
  4. Step 4: Simplify right side
    80,280.70x = 2,904,396,696.73
  5. Step 5: Solve for x
    x = 2,904,396,696.73/80,280.70
  6. Step 6: Final answer
    x = 36,178.02

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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.