Home / 80,175.24-120,198.87-38,034.18

Finding the Fourth Proportional to 80,175.24, 120,198.87 and 38,034.18

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Solution

The fourth proportional to 80,175.24, 120,198.87 and 38,034.18 is: 57,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,175.24 : 120,198.87 = 38,034.18 : x
  2. Step 2: Convert to fraction form
    80,175.24/120,198.87 = 38,034.18/x
  3. Step 3: Cross multiply
    80,175.24x = 120,198.87 × 38,034.18
  4. Step 4: Simplify right side
    80,175.24x = 4,571,665,457.38
  5. Step 5: Solve for x
    x = 4,571,665,457.38/80,175.24
  6. Step 6: Final answer
    x = 57,020.91

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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.