Home / 126,083.82-173,995.11-68,726.46

Finding the Fourth Proportional to 126,083.82, 173,995.11 and 68,726.46

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Solution

The fourth proportional to 126,083.82, 173,995.11 and 68,726.46 is: 94,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,083.82 : 173,995.11 = 68,726.46 : x
  2. Step 2: Convert to fraction form
    126,083.82/173,995.11 = 68,726.46/x
  3. Step 3: Cross multiply
    126,083.82x = 173,995.11 × 68,726.46
  4. Step 4: Simplify right side
    126,083.82x = 11,958,067,967.61
  5. Step 5: Solve for x
    x = 11,958,067,967.61/126,083.82
  6. Step 6: Final answer
    x = 94,842.21

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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.