Home / 54,322.29-81,608.19-38,348.55

Finding the Fourth Proportional to 54,322.29, 81,608.19 and 38,348.55

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Solution

The fourth proportional to 54,322.29, 81,608.19 and 38,348.55 is: 57,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.29 : 81,608.19 = 38,348.55 : x
  2. Step 2: Convert to fraction form
    54,322.29/81,608.19 = 38,348.55/x
  3. Step 3: Cross multiply
    54,322.29x = 81,608.19 × 38,348.55
  4. Step 4: Simplify right side
    54,322.29x = 3,129,555,754.62
  5. Step 5: Solve for x
    x = 3,129,555,754.62/54,322.29
  6. Step 6: Final answer
    x = 57,610.90

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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.