Home / 80,229.05-120,336.40-24,081.71

Finding the Fourth Proportional to 80,229.05, 120,336.40 and 24,081.71

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Solution

The fourth proportional to 80,229.05, 120,336.40 and 24,081.71 is: 36,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,229.05 : 120,336.40 = 24,081.71 : x
  2. Step 2: Convert to fraction form
    80,229.05/120,336.40 = 24,081.71/x
  3. Step 3: Cross multiply
    80,229.05x = 120,336.40 × 24,081.71
  4. Step 4: Simplify right side
    80,229.05x = 2,897,905,715.66
  5. Step 5: Solve for x
    x = 2,897,905,715.66/80,229.05
  6. Step 6: Final answer
    x = 36,120.40

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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.