Home / 80,399.45-120,616.59-24,234.86

Finding the Fourth Proportional to 80,399.45, 120,616.59 and 24,234.86

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Solution

The fourth proportional to 80,399.45, 120,616.59 and 24,234.86 is: 36,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,399.45 : 120,616.59 = 24,234.86 : x
  2. Step 2: Convert to fraction form
    80,399.45/120,616.59 = 24,234.86/x
  3. Step 3: Cross multiply
    80,399.45x = 120,616.59 × 24,234.86
  4. Step 4: Simplify right side
    80,399.45x = 2,923,126,564.75
  5. Step 5: Solve for x
    x = 2,923,126,564.75/80,399.45
  6. Step 6: Final answer
    x = 36,357.54

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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.