Home / 99,910.76-149,862.68-25,031.54

Finding the Fourth Proportional to 99,910.76, 149,862.68 and 25,031.54

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Solution

The fourth proportional to 99,910.76, 149,862.68 and 25,031.54 is: 37,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.76 : 149,862.68 = 25,031.54 : x
  2. Step 2: Convert to fraction form
    99,910.76/149,862.68 = 25,031.54/x
  3. Step 3: Cross multiply
    99,910.76x = 149,862.68 × 25,031.54
  4. Step 4: Simplify right side
    99,910.76x = 3,751,293,668.93
  5. Step 5: Solve for x
    x = 3,751,293,668.93/99,910.76
  6. Step 6: Final answer
    x = 37,546.44

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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.