Home / 108,337.76-162,418.55-45,204.90

Finding the Fourth Proportional to 108,337.76, 162,418.55 and 45,204.90

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Solution

The fourth proportional to 108,337.76, 162,418.55 and 45,204.90 is: 67,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,337.76 : 162,418.55 = 45,204.90 : x
  2. Step 2: Convert to fraction form
    108,337.76/162,418.55 = 45,204.90/x
  3. Step 3: Cross multiply
    108,337.76x = 162,418.55 × 45,204.90
  4. Step 4: Simplify right side
    108,337.76x = 7,342,114,084.87
  5. Step 5: Solve for x
    x = 7,342,114,084.87/108,337.76
  6. Step 6: Final answer
    x = 67,770.59

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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.