Home / 54,990.47-82,540.38-25,414.94

Finding the Fourth Proportional to 54,990.47, 82,540.38 and 25,414.94

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Solution

The fourth proportional to 54,990.47, 82,540.38 and 25,414.94 is: 38,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.47 : 82,540.38 = 25,414.94 : x
  2. Step 2: Convert to fraction form
    54,990.47/82,540.38 = 25,414.94/x
  3. Step 3: Cross multiply
    54,990.47x = 82,540.38 × 25,414.94
  4. Step 4: Simplify right side
    54,990.47x = 2,097,758,805.28
  5. Step 5: Solve for x
    x = 2,097,758,805.28/54,990.47
  6. Step 6: Final answer
    x = 38,147.68

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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.