Home / 80,029.67-120,076.77-35,626.05

Finding the Fourth Proportional to 80,029.67, 120,076.77 and 35,626.05

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Solution

The fourth proportional to 80,029.67, 120,076.77 and 35,626.05 is: 53,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,029.67 : 120,076.77 = 35,626.05 : x
  2. Step 2: Convert to fraction form
    80,029.67/120,076.77 = 35,626.05/x
  3. Step 3: Cross multiply
    80,029.67x = 120,076.77 × 35,626.05
  4. Step 4: Simplify right side
    80,029.67x = 4,277,861,011.86
  5. Step 5: Solve for x
    x = 4,277,861,011.86/80,029.67
  6. Step 6: Final answer
    x = 53,453.44

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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.