Home / 54,031.97-80,982.29-38,241.59

Finding the Fourth Proportional to 54,031.97, 80,982.29 and 38,241.59

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Solution

The fourth proportional to 54,031.97, 80,982.29 and 38,241.59 is: 57,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.97 : 80,982.29 = 38,241.59 : x
  2. Step 2: Convert to fraction form
    54,031.97/80,982.29 = 38,241.59/x
  3. Step 3: Cross multiply
    54,031.97x = 80,982.29 × 38,241.59
  4. Step 4: Simplify right side
    54,031.97x = 3,096,891,531.44
  5. Step 5: Solve for x
    x = 3,096,891,531.44/54,031.97
  6. Step 6: Final answer
    x = 57,315.92

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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.