Home / 99,668.22-149,542.14-40,508.52

Finding the Fourth Proportional to 99,668.22, 149,542.14 and 40,508.52

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Solution

The fourth proportional to 99,668.22, 149,542.14 and 40,508.52 is: 60,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668.22 : 149,542.14 = 40,508.52 : x
  2. Step 2: Convert to fraction form
    99,668.22/149,542.14 = 40,508.52/x
  3. Step 3: Cross multiply
    99,668.22x = 149,542.14 × 40,508.52
  4. Step 4: Simplify right side
    99,668.22x = 6,057,730,769.03
  5. Step 5: Solve for x
    x = 6,057,730,769.03/99,668.22
  6. Step 6: Final answer
    x = 60,778.96

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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.