Home / 125,199.44-172,758.32-71,481.04

Finding the Fourth Proportional to 125,199.44, 172,758.32 and 71,481.04

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Solution

The fourth proportional to 125,199.44, 172,758.32 and 71,481.04 is: 98,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,199.44 : 172,758.32 = 71,481.04 : x
  2. Step 2: Convert to fraction form
    125,199.44/172,758.32 = 71,481.04/x
  3. Step 3: Cross multiply
    125,199.44x = 172,758.32 × 71,481.04
  4. Step 4: Simplify right side
    125,199.44x = 12,348,944,382.25
  5. Step 5: Solve for x
    x = 12,348,944,382.25/125,199.44
  6. Step 6: Final answer
    x = 98,634.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.