Home / 80,269.47-120,404.16-27,674.82

Finding the Fourth Proportional to 80,269.47, 120,404.16 and 27,674.82

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Solution

The fourth proportional to 80,269.47, 120,404.16 and 27,674.82 is: 41,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,269.47 : 120,404.16 = 27,674.82 : x
  2. Step 2: Convert to fraction form
    80,269.47/120,404.16 = 27,674.82/x
  3. Step 3: Cross multiply
    80,269.47x = 120,404.16 × 27,674.82
  4. Step 4: Simplify right side
    80,269.47x = 3,332,163,455.25
  5. Step 5: Solve for x
    x = 3,332,163,455.25/80,269.47
  6. Step 6: Final answer
    x = 41,512.21

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1.5x scale

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.