Home / 83,756.48-125,650.11-27,599.90

Finding the Fourth Proportional to 83,756.48, 125,650.11 and 27,599.90

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Solution

The fourth proportional to 83,756.48, 125,650.11 and 27,599.90 is: 41,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.48 : 125,650.11 = 27,599.90 : x
  2. Step 2: Convert to fraction form
    83,756.48/125,650.11 = 27,599.90/x
  3. Step 3: Cross multiply
    83,756.48x = 125,650.11 × 27,599.90
  4. Step 4: Simplify right side
    83,756.48x = 3,467,930,785.11
  5. Step 5: Solve for x
    x = 3,467,930,785.11/83,756.48
  6. Step 6: Final answer
    x = 41,404.92

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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.