Home / 124,822.22-172,254.75-68,233.61

Finding the Fourth Proportional to 124,822.22, 172,254.75 and 68,233.61

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Solution

The fourth proportional to 124,822.22, 172,254.75 and 68,233.61 is: 94,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,822.22 : 172,254.75 = 68,233.61 : x
  2. Step 2: Convert to fraction form
    124,822.22/172,254.75 = 68,233.61/x
  3. Step 3: Cross multiply
    124,822.22x = 172,254.75 × 68,233.61
  4. Step 4: Simplify right side
    124,822.22x = 11,753,563,432.15
  5. Step 5: Solve for x
    x = 11,753,563,432.15/124,822.22
  6. Step 6: Final answer
    x = 94,162.43

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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.