Home / 64,589.20-89,134.62-35,909.73

Finding the Fourth Proportional to 64,589.20, 89,134.62 and 35,909.73

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Solution

The fourth proportional to 64,589.20, 89,134.62 and 35,909.73 is: 49,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.20 : 89,134.62 = 35,909.73 : x
  2. Step 2: Convert to fraction form
    64,589.20/89,134.62 = 35,909.73/x
  3. Step 3: Cross multiply
    64,589.20x = 89,134.62 × 35,909.73
  4. Step 4: Simplify right side
    64,589.20x = 3,200,800,137.85
  5. Step 5: Solve for x
    x = 3,200,800,137.85/64,589.20
  6. Step 6: Final answer
    x = 49,556.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.