Home / 126,061.03-173,961.89-68,700.81

Finding the Fourth Proportional to 126,061.03, 173,961.89 and 68,700.81

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Solution

The fourth proportional to 126,061.03, 173,961.89 and 68,700.81 is: 94,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,061.03 : 173,961.89 = 68,700.81 : x
  2. Step 2: Convert to fraction form
    126,061.03/173,961.89 = 68,700.81/x
  3. Step 3: Cross multiply
    126,061.03x = 173,961.89 × 68,700.81
  4. Step 4: Simplify right side
    126,061.03x = 11,951,322,752.13
  5. Step 5: Solve for x
    x = 11,951,322,752.13/126,061.03
  6. Step 6: Final answer
    x = 94,805.85

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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.