Home / 126,134.88-174,063.78-69,546.12

Finding the Fourth Proportional to 126,134.88, 174,063.78 and 69,546.12

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Solution

The fourth proportional to 126,134.88, 174,063.78 and 69,546.12 is: 95,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.88 : 174,063.78 = 69,546.12 : x
  2. Step 2: Convert to fraction form
    126,134.88/174,063.78 = 69,546.12/x
  3. Step 3: Cross multiply
    126,134.88x = 174,063.78 × 69,546.12
  4. Step 4: Simplify right side
    126,134.88x = 12,105,460,531.53
  5. Step 5: Solve for x
    x = 12,105,460,531.53/126,134.88
  6. Step 6: Final answer
    x = 95,972.35

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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.