Home / 54,721.20-82,077.51-17,282.38

Finding the Fourth Proportional to 54,721.20, 82,077.51 and 17,282.38

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Solution

The fourth proportional to 54,721.20, 82,077.51 and 17,282.38 is: 25,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.20 : 82,077.51 = 17,282.38 : x
  2. Step 2: Convert to fraction form
    54,721.20/82,077.51 = 17,282.38/x
  3. Step 3: Cross multiply
    54,721.20x = 82,077.51 × 17,282.38
  4. Step 4: Simplify right side
    54,721.20x = 1,418,494,717.27
  5. Step 5: Solve for x
    x = 1,418,494,717.27/54,721.20
  6. Step 6: Final answer
    x = 25,922.22

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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.