Home / 124,939.67-172,418.22-68,351.04

Finding the Fourth Proportional to 124,939.67, 172,418.22 and 68,351.04

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Solution

The fourth proportional to 124,939.67, 172,418.22 and 68,351.04 is: 94,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.67 : 172,418.22 = 68,351.04 : x
  2. Step 2: Convert to fraction form
    124,939.67/172,418.22 = 68,351.04/x
  3. Step 3: Cross multiply
    124,939.67x = 172,418.22 × 68,351.04
  4. Step 4: Simplify right side
    124,939.67x = 11,784,964,651.95
  5. Step 5: Solve for x
    x = 11,784,964,651.95/124,939.67
  6. Step 6: Final answer
    x = 94,325.25

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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.