Home / 57,979.92-86,949.36-27,581.44

Finding the Fourth Proportional to 57,979.92, 86,949.36 and 27,581.44

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Solution

The fourth proportional to 57,979.92, 86,949.36 and 27,581.44 is: 41,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.92 : 86,949.36 = 27,581.44 : x
  2. Step 2: Convert to fraction form
    57,979.92/86,949.36 = 27,581.44/x
  3. Step 3: Cross multiply
    57,979.92x = 86,949.36 × 27,581.44
  4. Step 4: Simplify right side
    57,979.92x = 2,398,188,555.88
  5. Step 5: Solve for x
    x = 2,398,188,555.88/57,979.92
  6. Step 6: Final answer
    x = 41,362.40

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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.