Home / 126,020.27-173,902.97-68,660.06

Finding the Fourth Proportional to 126,020.27, 173,902.97 and 68,660.06

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Solution

The fourth proportional to 126,020.27, 173,902.97 and 68,660.06 is: 94,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.27 : 173,902.97 = 68,660.06 : x
  2. Step 2: Convert to fraction form
    126,020.27/173,902.97 = 68,660.06/x
  3. Step 3: Cross multiply
    126,020.27x = 173,902.97 × 68,660.06
  4. Step 4: Simplify right side
    126,020.27x = 11,940,187,656.51
  5. Step 5: Solve for x
    x = 11,940,187,656.51/126,020.27
  6. Step 6: Final answer
    x = 94,748.15

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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.