Home / 75,761.87-113,618.07-25,147.31

Finding the Fourth Proportional to 75,761.87, 113,618.07 and 25,147.31

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Solution

The fourth proportional to 75,761.87, 113,618.07 and 25,147.31 is: 37,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,761.87 : 113,618.07 = 25,147.31 : x
  2. Step 2: Convert to fraction form
    75,761.87/113,618.07 = 25,147.31/x
  3. Step 3: Cross multiply
    75,761.87x = 113,618.07 × 25,147.31
  4. Step 4: Simplify right side
    75,761.87x = 2,857,188,259.80
  5. Step 5: Solve for x
    x = 2,857,188,259.80/75,761.87
  6. Step 6: Final answer
    x = 37,712.75

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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.