Home / 126,772.88-174,945.98-68,629.46

Finding the Fourth Proportional to 126,772.88, 174,945.98 and 68,629.46

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Solution

The fourth proportional to 126,772.88, 174,945.98 and 68,629.46 is: 94,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,772.88 : 174,945.98 = 68,629.46 : x
  2. Step 2: Convert to fraction form
    126,772.88/174,945.98 = 68,629.46/x
  3. Step 3: Cross multiply
    126,772.88x = 174,945.98 × 68,629.46
  4. Step 4: Simplify right side
    126,772.88x = 12,006,448,136.57
  5. Step 5: Solve for x
    x = 12,006,448,136.57/126,772.88
  6. Step 6: Final answer
    x = 94,708.33

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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.