Home / 123,517.11-185,134.53-56,100.56

Finding the Fourth Proportional to 123,517.11, 185,134.53 and 56,100.56

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Solution

The fourth proportional to 123,517.11, 185,134.53 and 56,100.56 is: 84,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,517.11 : 185,134.53 = 56,100.56 : x
  2. Step 2: Convert to fraction form
    123,517.11/185,134.53 = 56,100.56/x
  3. Step 3: Cross multiply
    123,517.11x = 185,134.53 × 56,100.56
  4. Step 4: Simplify right side
    123,517.11x = 10,386,149,882.66
  5. Step 5: Solve for x
    x = 10,386,149,882.66/123,517.11
  6. Step 6: Final answer
    x = 84,086.73

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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.