Home / 80,882.96-111,616.97-45,072.18

Finding the Fourth Proportional to 80,882.96, 111,616.97 and 45,072.18

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Solution

The fourth proportional to 80,882.96, 111,616.97 and 45,072.18 is: 62,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882.96 : 111,616.97 = 45,072.18 : x
  2. Step 2: Convert to fraction form
    80,882.96/111,616.97 = 45,072.18/x
  3. Step 3: Cross multiply
    80,882.96x = 111,616.97 × 45,072.18
  4. Step 4: Simplify right side
    80,882.96x = 5,030,819,937.53
  5. Step 5: Solve for x
    x = 5,030,819,937.53/80,882.96
  6. Step 6: Final answer
    x = 62,198.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.