Home / 57,919.29-86,720.91-43,836.72

Finding the Fourth Proportional to 57,919.29, 86,720.91 and 43,836.72

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Solution

The fourth proportional to 57,919.29, 86,720.91 and 43,836.72 is: 65,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.29 : 86,720.91 = 43,836.72 : x
  2. Step 2: Convert to fraction form
    57,919.29/86,720.91 = 43,836.72/x
  3. Step 3: Cross multiply
    57,919.29x = 86,720.91 × 43,836.72
  4. Step 4: Simplify right side
    57,919.29x = 3,801,560,249.82
  5. Step 5: Solve for x
    x = 3,801,560,249.82/57,919.29
  6. Step 6: Final answer
    x = 65,635.48

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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.