Home / 54,717.04-82,079.21-17,278.64

Finding the Fourth Proportional to 54,717.04, 82,079.21 and 17,278.64

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Solution

The fourth proportional to 54,717.04, 82,079.21 and 17,278.64 is: 25,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.04 : 82,079.21 = 17,278.64 : x
  2. Step 2: Convert to fraction form
    54,717.04/82,079.21 = 17,278.64/x
  3. Step 3: Cross multiply
    54,717.04x = 82,079.21 × 17,278.64
  4. Step 4: Simplify right side
    54,717.04x = 1,418,217,121.07
  5. Step 5: Solve for x
    x = 1,418,217,121.07/54,717.04
  6. Step 6: Final answer
    x = 25,919.11

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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.