Home / 80,149.10-120,265.56-32,799.33

Finding the Fourth Proportional to 80,149.10, 120,265.56 and 32,799.33

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Solution

The fourth proportional to 80,149.10, 120,265.56 and 32,799.33 is: 49,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.10 : 120,265.56 = 32,799.33 : x
  2. Step 2: Convert to fraction form
    80,149.10/120,265.56 = 32,799.33/x
  3. Step 3: Cross multiply
    80,149.10x = 120,265.56 × 32,799.33
  4. Step 4: Simplify right side
    80,149.10x = 3,944,629,790.07
  5. Step 5: Solve for x
    x = 3,944,629,790.07/80,149.10
  6. Step 6: Final answer
    x = 49,216.15

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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.