Home / 108,335.38-162,414.99-45,202.53

Finding the Fourth Proportional to 108,335.38, 162,414.99 and 45,202.53

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Solution

The fourth proportional to 108,335.38, 162,414.99 and 45,202.53 is: 67,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,335.38 : 162,414.99 = 45,202.53 : x
  2. Step 2: Convert to fraction form
    108,335.38/162,414.99 = 45,202.53/x
  3. Step 3: Cross multiply
    108,335.38x = 162,414.99 × 45,202.53
  4. Step 4: Simplify right side
    108,335.38x = 7,341,567,645.85
  5. Step 5: Solve for x
    x = 7,341,567,645.85/108,335.38
  6. Step 6: Final answer
    x = 67,767.04

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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.