Home / 108,376.92-162,589.68-38,261.70

Finding the Fourth Proportional to 108,376.92, 162,589.68 and 38,261.70

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Solution

The fourth proportional to 108,376.92, 162,589.68 and 38,261.70 is: 57,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,376.92 : 162,589.68 = 38,261.70 : x
  2. Step 2: Convert to fraction form
    108,376.92/162,589.68 = 38,261.70/x
  3. Step 3: Cross multiply
    108,376.92x = 162,589.68 × 38,261.70
  4. Step 4: Simplify right side
    108,376.92x = 6,220,957,559.26
  5. Step 5: Solve for x
    x = 6,220,957,559.26/108,376.92
  6. Step 6: Final answer
    x = 57,401.13

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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.