Home / 108,115.54-162,172.92-29,229.75

Finding the Fourth Proportional to 108,115.54, 162,172.92 and 29,229.75

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Solution

The fourth proportional to 108,115.54, 162,172.92 and 29,229.75 is: 43,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115.54 : 162,172.92 = 29,229.75 : x
  2. Step 2: Convert to fraction form
    108,115.54/162,172.92 = 29,229.75/x
  3. Step 3: Cross multiply
    108,115.54x = 162,172.92 × 29,229.75
  4. Step 4: Simplify right side
    108,115.54x = 4,740,274,017.98
  5. Step 5: Solve for x
    x = 4,740,274,017.98/108,115.54
  6. Step 6: Final answer
    x = 43,844.52

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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.