Home / 126,047.46-173,945.51-68,686.80

Finding the Fourth Proportional to 126,047.46, 173,945.51 and 68,686.80

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Solution

The fourth proportional to 126,047.46, 173,945.51 and 68,686.80 is: 94,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.46 : 173,945.51 = 68,686.80 : x
  2. Step 2: Convert to fraction form
    126,047.46/173,945.51 = 68,686.80/x
  3. Step 3: Cross multiply
    126,047.46x = 173,945.51 × 68,686.80
  4. Step 4: Simplify right side
    126,047.46x = 11,947,760,456.27
  5. Step 5: Solve for x
    x = 11,947,760,456.27/126,047.46
  6. Step 6: Final answer
    x = 94,787.79

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1.5x scale

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.