Home / 80,532.72-120,751.38-24,355.80

Finding the Fourth Proportional to 80,532.72, 120,751.38 and 24,355.80

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Solution

The fourth proportional to 80,532.72, 120,751.38 and 24,355.80 is: 36,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.72 : 120,751.38 = 24,355.80 : x
  2. Step 2: Convert to fraction form
    80,532.72/120,751.38 = 24,355.80/x
  3. Step 3: Cross multiply
    80,532.72x = 120,751.38 × 24,355.80
  4. Step 4: Simplify right side
    80,532.72x = 2,940,996,461.00
  5. Step 5: Solve for x
    x = 2,940,996,461.00/80,532.72
  6. Step 6: Final answer
    x = 36,519.27

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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.