Home / 108,569.70-162,854.55-29,691.90

Finding the Fourth Proportional to 108,569.70, 162,854.55 and 29,691.90

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Solution

The fourth proportional to 108,569.70, 162,854.55 and 29,691.90 is: 44,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,569.70 : 162,854.55 = 29,691.90 : x
  2. Step 2: Convert to fraction form
    108,569.70/162,854.55 = 29,691.90/x
  3. Step 3: Cross multiply
    108,569.70x = 162,854.55 × 29,691.90
  4. Step 4: Simplify right side
    108,569.70x = 4,835,461,013.15
  5. Step 5: Solve for x
    x = 4,835,461,013.15/108,569.70
  6. Step 6: Final answer
    x = 44,537.85

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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.