Home / 125,286.76-172,896.42-67,926.52

Finding the Fourth Proportional to 125,286.76, 172,896.42 and 67,926.52

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Solution

The fourth proportional to 125,286.76, 172,896.42 and 67,926.52 is: 93,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,286.76 : 172,896.42 = 67,926.52 : x
  2. Step 2: Convert to fraction form
    125,286.76/172,896.42 = 67,926.52/x
  3. Step 3: Cross multiply
    125,286.76x = 172,896.42 × 67,926.52
  4. Step 4: Simplify right side
    125,286.76x = 11,744,252,131.06
  5. Step 5: Solve for x
    x = 11,744,252,131.06/125,286.76
  6. Step 6: Final answer
    x = 93,738.97

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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.