Home / 73,199.33-109,721.22-28,819.97

Finding the Fourth Proportional to 73,199.33, 109,721.22 and 28,819.97

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Solution

The fourth proportional to 73,199.33, 109,721.22 and 28,819.97 is: 43,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.33 : 109,721.22 = 28,819.97 : x
  2. Step 2: Convert to fraction form
    73,199.33/109,721.22 = 28,819.97/x
  3. Step 3: Cross multiply
    73,199.33x = 109,721.22 × 28,819.97
  4. Step 4: Simplify right side
    73,199.33x = 3,162,162,268.76
  5. Step 5: Solve for x
    x = 3,162,162,268.76/73,199.33
  6. Step 6: Final answer
    x = 43,199.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.