Home / 126,050.10-173,946.90-68,689.92

Finding the Fourth Proportional to 126,050.10, 173,946.90 and 68,689.92

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Solution

The fourth proportional to 126,050.10, 173,946.90 and 68,689.92 is: 94,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,050.10 : 173,946.90 = 68,689.92 : x
  2. Step 2: Convert to fraction form
    126,050.10/173,946.90 = 68,689.92/x
  3. Step 3: Cross multiply
    126,050.10x = 173,946.90 × 68,689.92
  4. Step 4: Simplify right side
    126,050.10x = 11,948,398,645.25
  5. Step 5: Solve for x
    x = 11,948,398,645.25/126,050.10
  6. Step 6: Final answer
    x = 94,790.87

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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.