Home / 124,765.39-172,180.49-68,180.41

Finding the Fourth Proportional to 124,765.39, 172,180.49 and 68,180.41

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Solution

The fourth proportional to 124,765.39, 172,180.49 and 68,180.41 is: 94,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765.39 : 172,180.49 = 68,180.41 : x
  2. Step 2: Convert to fraction form
    124,765.39/172,180.49 = 68,180.41/x
  3. Step 3: Cross multiply
    124,765.39x = 172,180.49 × 68,180.41
  4. Step 4: Simplify right side
    124,765.39x = 11,739,336,061.30
  5. Step 5: Solve for x
    x = 11,739,336,061.30/124,765.39
  6. Step 6: Final answer
    x = 94,091.29

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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.