Home / 124,823.22-172,256.13-68,234.61

Finding the Fourth Proportional to 124,823.22, 172,256.13 and 68,234.61

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Solution

The fourth proportional to 124,823.22, 172,256.13 and 68,234.61 is: 94,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.22 : 172,256.13 = 68,234.61 : x
  2. Step 2: Convert to fraction form
    124,823.22/172,256.13 = 68,234.61/x
  3. Step 3: Cross multiply
    124,823.22x = 172,256.13 × 68,234.61
  4. Step 4: Simplify right side
    124,823.22x = 11,753,829,850.66
  5. Step 5: Solve for x
    x = 11,753,829,850.66/124,823.22
  6. Step 6: Final answer
    x = 94,163.81

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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.