Home / 80,535.20-120,803.96-24,375.84

Finding the Fourth Proportional to 80,535.20, 120,803.96 and 24,375.84

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Solution

The fourth proportional to 80,535.20, 120,803.96 and 24,375.84 is: 36,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.20 : 120,803.96 = 24,375.84 : x
  2. Step 2: Convert to fraction form
    80,535.20/120,803.96 = 24,375.84/x
  3. Step 3: Cross multiply
    80,535.20x = 120,803.96 × 24,375.84
  4. Step 4: Simplify right side
    80,535.20x = 2,944,698,000.33
  5. Step 5: Solve for x
    x = 2,944,698,000.33/80,535.20
  6. Step 6: Final answer
    x = 36,564.11

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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.