Home / 125,204.23-172,786.26-68,615.61

Finding the Fourth Proportional to 125,204.23, 172,786.26 and 68,615.61

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Solution

The fourth proportional to 125,204.23, 172,786.26 and 68,615.61 is: 94,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,204.23 : 172,786.26 = 68,615.61 : x
  2. Step 2: Convert to fraction form
    125,204.23/172,786.26 = 68,615.61/x
  3. Step 3: Cross multiply
    125,204.23x = 172,786.26 × 68,615.61
  4. Step 4: Simplify right side
    125,204.23x = 11,855,834,629.52
  5. Step 5: Solve for x
    x = 11,855,834,629.52/125,204.23
  6. Step 6: Final answer
    x = 94,691.97

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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.