Home / 54,711.87-82,067.82-42,250.11

Finding the Fourth Proportional to 54,711.87, 82,067.82 and 42,250.11

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Solution

The fourth proportional to 54,711.87, 82,067.82 and 42,250.11 is: 63,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.87 : 82,067.82 = 42,250.11 : x
  2. Step 2: Convert to fraction form
    54,711.87/82,067.82 = 42,250.11/x
  3. Step 3: Cross multiply
    54,711.87x = 82,067.82 × 42,250.11
  4. Step 4: Simplify right side
    54,711.87x = 3,467,374,422.46
  5. Step 5: Solve for x
    x = 3,467,374,422.46/54,711.87
  6. Step 6: Final answer
    x = 63,375.18

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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.