Home / 57,589.76-86,388.24-18,148.40

Finding the Fourth Proportional to 57,589.76, 86,388.24 and 18,148.40

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Solution

The fourth proportional to 57,589.76, 86,388.24 and 18,148.40 is: 27,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,589.76 : 86,388.24 = 18,148.40 : x
  2. Step 2: Convert to fraction form
    57,589.76/86,388.24 = 18,148.40/x
  3. Step 3: Cross multiply
    57,589.76x = 86,388.24 × 18,148.40
  4. Step 4: Simplify right side
    57,589.76x = 1,567,808,334.82
  5. Step 5: Solve for x
    x = 1,567,808,334.82/57,589.76
  6. Step 6: Final answer
    x = 27,223.73

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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.