Home / 55,453.82-83,198.36-19,891.04

Finding the Fourth Proportional to 55,453.82, 83,198.36 and 19,891.04

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Solution

The fourth proportional to 55,453.82, 83,198.36 and 19,891.04 is: 29,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.82 : 83,198.36 = 19,891.04 : x
  2. Step 2: Convert to fraction form
    55,453.82/83,198.36 = 19,891.04/x
  3. Step 3: Cross multiply
    55,453.82x = 83,198.36 × 19,891.04
  4. Step 4: Simplify right side
    55,453.82x = 1,654,901,540.43
  5. Step 5: Solve for x
    x = 1,654,901,540.43/55,453.82
  6. Step 6: Final answer
    x = 29,842.88

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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.