Home / 126,049.50-173,946.15-68,689.35

Finding the Fourth Proportional to 126,049.50, 173,946.15 and 68,689.35

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Solution

The fourth proportional to 126,049.50, 173,946.15 and 68,689.35 is: 94,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,049.50 : 173,946.15 = 68,689.35 : x
  2. Step 2: Convert to fraction form
    126,049.50/173,946.15 = 68,689.35/x
  3. Step 3: Cross multiply
    126,049.50x = 173,946.15 × 68,689.35
  4. Step 4: Simplify right side
    126,049.50x = 11,948,247,978.50
  5. Step 5: Solve for x
    x = 11,948,247,978.50/126,049.50
  6. Step 6: Final answer
    x = 94,790.13

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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.