Home / 108,067.85-162,109.97-29,180.94

Finding the Fourth Proportional to 108,067.85, 162,109.97 and 29,180.94

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Solution

The fourth proportional to 108,067.85, 162,109.97 and 29,180.94 is: 43,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,067.85 : 162,109.97 = 29,180.94 : x
  2. Step 2: Convert to fraction form
    108,067.85/162,109.97 = 29,180.94/x
  3. Step 3: Cross multiply
    108,067.85x = 162,109.97 × 29,180.94
  4. Step 4: Simplify right side
    108,067.85x = 4,730,521,307.97
  5. Step 5: Solve for x
    x = 4,730,521,307.97/108,067.85
  6. Step 6: Final answer
    x = 43,773.62

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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.