Home / 80,390.41-120,546.65-24,220.04

Finding the Fourth Proportional to 80,390.41, 120,546.65 and 24,220.04

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Solution

The fourth proportional to 80,390.41, 120,546.65 and 24,220.04 is: 36,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,390.41 : 120,546.65 = 24,220.04 : x
  2. Step 2: Convert to fraction form
    80,390.41/120,546.65 = 24,220.04/x
  3. Step 3: Cross multiply
    80,390.41x = 120,546.65 × 24,220.04
  4. Step 4: Simplify right side
    80,390.41x = 2,919,644,142.68
  5. Step 5: Solve for x
    x = 2,919,644,142.68/80,390.41
  6. Step 6: Final answer
    x = 36,318.32

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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.