Home / 80,233.30-120,375.11-48,249.19

Finding the Fourth Proportional to 80,233.30, 120,375.11 and 48,249.19

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Solution

The fourth proportional to 80,233.30, 120,375.11 and 48,249.19 is: 72,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.30 : 120,375.11 = 48,249.19 : x
  2. Step 2: Convert to fraction form
    80,233.30/120,375.11 = 48,249.19/x
  3. Step 3: Cross multiply
    80,233.30x = 120,375.11 × 48,249.19
  4. Step 4: Simplify right side
    80,233.30x = 5,808,000,710.54
  5. Step 5: Solve for x
    x = 5,808,000,710.54/80,233.30
  6. Step 6: Final answer
    x = 72,388.91

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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.