Home / 57,832.68-86,757.66-18,391.08

Finding the Fourth Proportional to 57,832.68, 86,757.66 and 18,391.08

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Solution

The fourth proportional to 57,832.68, 86,757.66 and 18,391.08 is: 27,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.68 : 86,757.66 = 18,391.08 : x
  2. Step 2: Convert to fraction form
    57,832.68/86,757.66 = 18,391.08/x
  3. Step 3: Cross multiply
    57,832.68x = 86,757.66 × 18,391.08
  4. Step 4: Simplify right side
    57,832.68x = 1,595,567,065.67
  5. Step 5: Solve for x
    x = 1,595,567,065.67/57,832.68
  6. Step 6: Final answer
    x = 27,589.37

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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.