Home / 126,083.30-173,992.70-68,723.15

Finding the Fourth Proportional to 126,083.30, 173,992.70 and 68,723.15

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Solution

The fourth proportional to 126,083.30, 173,992.70 and 68,723.15 is: 94,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083.30 : 173,992.70 = 68,723.15 : x
  2. Step 2: Convert to fraction form
    126,083.30/173,992.70 = 68,723.15/x
  3. Step 3: Cross multiply
    126,083.30x = 173,992.70 × 68,723.15
  4. Step 4: Simplify right side
    126,083.30x = 11,957,325,207.43
  5. Step 5: Solve for x
    x = 11,957,325,207.43/126,083.30
  6. Step 6: Final answer
    x = 94,836.71

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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.