Home / 108,109.46-162,158.12-29,217.90

Finding the Fourth Proportional to 108,109.46, 162,158.12 and 29,217.90

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Solution

The fourth proportional to 108,109.46, 162,158.12 and 29,217.90 is: 43,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109.46 : 162,158.12 = 29,217.90 : x
  2. Step 2: Convert to fraction form
    108,109.46/162,158.12 = 29,217.90/x
  3. Step 3: Cross multiply
    108,109.46x = 162,158.12 × 29,217.90
  4. Step 4: Simplify right side
    108,109.46x = 4,737,919,734.35
  5. Step 5: Solve for x
    x = 4,737,919,734.35/108,109.46
  6. Step 6: Final answer
    x = 43,825.21

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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.