Home / 54,610.89-81,919.87-17,172.41

Finding the Fourth Proportional to 54,610.89, 81,919.87 and 17,172.41

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Solution

The fourth proportional to 54,610.89, 81,919.87 and 17,172.41 is: 25,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.89 : 81,919.87 = 17,172.41 : x
  2. Step 2: Convert to fraction form
    54,610.89/81,919.87 = 17,172.41/x
  3. Step 3: Cross multiply
    54,610.89x = 81,919.87 × 17,172.41
  4. Step 4: Simplify right side
    54,610.89x = 1,406,761,630.47
  5. Step 5: Solve for x
    x = 1,406,761,630.47/54,610.89
  6. Step 6: Final answer
    x = 25,759.73

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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.