Home / 80,668.43-121,002.56-24,508.31

Finding the Fourth Proportional to 80,668.43, 121,002.56 and 24,508.31

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Solution

The fourth proportional to 80,668.43, 121,002.56 and 24,508.31 is: 36,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,668.43 : 121,002.56 = 24,508.31 : x
  2. Step 2: Convert to fraction form
    80,668.43/121,002.56 = 24,508.31/x
  3. Step 3: Cross multiply
    80,668.43x = 121,002.56 × 24,508.31
  4. Step 4: Simplify right side
    80,668.43x = 2,965,568,251.27
  5. Step 5: Solve for x
    x = 2,965,568,251.27/80,668.43
  6. Step 6: Final answer
    x = 36,762.44

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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.