Home / 80,033.31-120,049.95-27,443.25

Finding the Fourth Proportional to 80,033.31, 120,049.95 and 27,443.25

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Solution

The fourth proportional to 80,033.31, 120,049.95 and 27,443.25 is: 41,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,033.31 : 120,049.95 = 27,443.25 : x
  2. Step 2: Convert to fraction form
    80,033.31/120,049.95 = 27,443.25/x
  3. Step 3: Cross multiply
    80,033.31x = 120,049.95 × 27,443.25
  4. Step 4: Simplify right side
    80,033.31x = 3,294,560,790.34
  5. Step 5: Solve for x
    x = 3,294,560,790.34/80,033.31
  6. Step 6: Final answer
    x = 41,164.87

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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.