Home / 57,581.44-86,365.28-15,464.72

Finding the Fourth Proportional to 57,581.44, 86,365.28 and 15,464.72

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Solution

The fourth proportional to 57,581.44, 86,365.28 and 15,464.72 is: 23,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,581.44 : 86,365.28 = 15,464.72 : x
  2. Step 2: Convert to fraction form
    57,581.44/86,365.28 = 15,464.72/x
  3. Step 3: Cross multiply
    57,581.44x = 86,365.28 × 15,464.72
  4. Step 4: Simplify right side
    57,581.44x = 1,335,614,872.92
  5. Step 5: Solve for x
    x = 1,335,614,872.92/57,581.44
  6. Step 6: Final answer
    x = 23,195.23

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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.