Home / 54,759.97-82,127.40-15,321.07

Finding the Fourth Proportional to 54,759.97, 82,127.40 and 15,321.07

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Solution

The fourth proportional to 54,759.97, 82,127.40 and 15,321.07 is: 22,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.97 : 82,127.40 = 15,321.07 : x
  2. Step 2: Convert to fraction form
    54,759.97/82,127.40 = 15,321.07/x
  3. Step 3: Cross multiply
    54,759.97x = 82,127.40 × 15,321.07
  4. Step 4: Simplify right side
    54,759.97x = 1,258,279,644.32
  5. Step 5: Solve for x
    x = 1,258,279,644.32/54,759.97
  6. Step 6: Final answer
    x = 22,978.09

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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.