Home / 124,965.75-172,452.74-68,377.13

Finding the Fourth Proportional to 124,965.75, 172,452.74 and 68,377.13

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Solution

The fourth proportional to 124,965.75, 172,452.74 and 68,377.13 is: 94,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,965.75 : 172,452.74 = 68,377.13 : x
  2. Step 2: Convert to fraction form
    124,965.75/172,452.74 = 68,377.13/x
  3. Step 3: Cross multiply
    124,965.75x = 172,452.74 × 68,377.13
  4. Step 4: Simplify right side
    124,965.75x = 11,791,822,217.69
  5. Step 5: Solve for x
    x = 11,791,822,217.69/124,965.75
  6. Step 6: Final answer
    x = 94,360.43

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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.