Home / 54,507.88-81,760.20-15,067.36

Finding the Fourth Proportional to 54,507.88, 81,760.20 and 15,067.36

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Solution

The fourth proportional to 54,507.88, 81,760.20 and 15,067.36 is: 22,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.88 : 81,760.20 = 15,067.36 : x
  2. Step 2: Convert to fraction form
    54,507.88/81,760.20 = 15,067.36/x
  3. Step 3: Cross multiply
    54,507.88x = 81,760.20 × 15,067.36
  4. Step 4: Simplify right side
    54,507.88x = 1,231,910,367.07
  5. Step 5: Solve for x
    x = 1,231,910,367.07/54,507.88
  6. Step 6: Final answer
    x = 22,600.59

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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.