Home / 54,717.28-82,079.38-17,278.83

Finding the Fourth Proportional to 54,717.28, 82,079.38 and 17,278.83

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Solution

The fourth proportional to 54,717.28, 82,079.38 and 17,278.83 is: 25,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.28 : 82,079.38 = 17,278.83 : x
  2. Step 2: Convert to fraction form
    54,717.28/82,079.38 = 17,278.83/x
  3. Step 3: Cross multiply
    54,717.28x = 82,079.38 × 17,278.83
  4. Step 4: Simplify right side
    54,717.28x = 1,418,235,460.99
  5. Step 5: Solve for x
    x = 1,418,235,460.99/54,717.28
  6. Step 6: Final answer
    x = 25,919.33

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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.