Home / 81,082.41-111,892.68-45,273.03

Finding the Fourth Proportional to 81,082.41, 111,892.68 and 45,273.03

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Solution

The fourth proportional to 81,082.41, 111,892.68 and 45,273.03 is: 62,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082.41 : 111,892.68 = 45,273.03 : x
  2. Step 2: Convert to fraction form
    81,082.41/111,892.68 = 45,273.03/x
  3. Step 3: Cross multiply
    81,082.41x = 111,892.68 × 45,273.03
  4. Step 4: Simplify right side
    81,082.41x = 5,065,720,658.42
  5. Step 5: Solve for x
    x = 5,065,720,658.42/81,082.41
  6. Step 6: Final answer
    x = 62,476.20

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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.