Home / 126,108.14-174,031.17-68,747.50

Finding the Fourth Proportional to 126,108.14, 174,031.17 and 68,747.50

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Solution

The fourth proportional to 126,108.14, 174,031.17 and 68,747.50 is: 94,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.14 : 174,031.17 = 68,747.50 : x
  2. Step 2: Convert to fraction form
    126,108.14/174,031.17 = 68,747.50/x
  3. Step 3: Cross multiply
    126,108.14x = 174,031.17 × 68,747.50
  4. Step 4: Simplify right side
    126,108.14x = 11,964,207,252.63
  5. Step 5: Solve for x
    x = 11,964,207,252.63/126,108.14
  6. Step 6: Final answer
    x = 94,872.60

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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.