Home / 98,268.82-135,593.97-57,979.54

Finding the Fourth Proportional to 98,268.82, 135,593.97 and 57,979.54

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Solution

The fourth proportional to 98,268.82, 135,593.97 and 57,979.54 is: 80,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.82 : 135,593.97 = 57,979.54 : x
  2. Step 2: Convert to fraction form
    98,268.82/135,593.97 = 57,979.54/x
  3. Step 3: Cross multiply
    98,268.82x = 135,593.97 × 57,979.54
  4. Step 4: Simplify right side
    98,268.82x = 7,861,676,007.37
  5. Step 5: Solve for x
    x = 7,861,676,007.37/98,268.82
  6. Step 6: Final answer
    x = 80,001.73

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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.