Home / 80,757.24-121,149.69-27,443.58

Finding the Fourth Proportional to 80,757.24, 121,149.69 and 27,443.58

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Solution

The fourth proportional to 80,757.24, 121,149.69 and 27,443.58 is: 41,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,757.24 : 121,149.69 = 27,443.58 : x
  2. Step 2: Convert to fraction form
    80,757.24/121,149.69 = 27,443.58/x
  3. Step 3: Cross multiply
    80,757.24x = 121,149.69 × 27,443.58
  4. Step 4: Simplify right side
    80,757.24x = 3,324,781,209.49
  5. Step 5: Solve for x
    x = 3,324,781,209.49/80,757.24
  6. Step 6: Final answer
    x = 41,170.07

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1.5x scale

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.