Home / 124,926.92-172,399.32-68,338.28

Finding the Fourth Proportional to 124,926.92, 172,399.32 and 68,338.28

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Solution

The fourth proportional to 124,926.92, 172,399.32 and 68,338.28 is: 94,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,926.92 : 172,399.32 = 68,338.28 : x
  2. Step 2: Convert to fraction form
    124,926.92/172,399.32 = 68,338.28/x
  3. Step 3: Cross multiply
    124,926.92x = 172,399.32 × 68,338.28
  4. Step 4: Simplify right side
    124,926.92x = 11,781,473,001.97
  5. Step 5: Solve for x
    x = 11,781,473,001.97/124,926.92
  6. Step 6: Final answer
    x = 94,306.92

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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.