Home / 126,132.57-174,059.69-68,772.96

Finding the Fourth Proportional to 126,132.57, 174,059.69 and 68,772.96

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Solution

The fourth proportional to 126,132.57, 174,059.69 and 68,772.96 is: 94,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.57 : 174,059.69 = 68,772.96 : x
  2. Step 2: Convert to fraction form
    126,132.57/174,059.69 = 68,772.96/x
  3. Step 3: Cross multiply
    126,132.57x = 174,059.69 × 68,772.96
  4. Step 4: Simplify right side
    126,132.57x = 11,970,599,754.12
  5. Step 5: Solve for x
    x = 11,970,599,754.12/126,132.57
  6. Step 6: Final answer
    x = 94,904.91

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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.