Home / 124,821.22-172,253.37-68,232.61

Finding the Fourth Proportional to 124,821.22, 172,253.37 and 68,232.61

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Solution

The fourth proportional to 124,821.22, 172,253.37 and 68,232.61 is: 94,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,821.22 : 172,253.37 = 68,232.61 : x
  2. Step 2: Convert to fraction form
    124,821.22/172,253.37 = 68,232.61/x
  3. Step 3: Cross multiply
    124,821.22x = 172,253.37 × 68,232.61
  4. Step 4: Simplify right side
    124,821.22x = 11,753,297,016.40
  5. Step 5: Solve for x
    x = 11,753,297,016.40/124,821.22
  6. Step 6: Final answer
    x = 94,161.05

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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.