Home / 80,243.75-120,377.78-32,884.26

Finding the Fourth Proportional to 80,243.75, 120,377.78 and 32,884.26

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Solution

The fourth proportional to 80,243.75, 120,377.78 and 32,884.26 is: 49,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,243.75 : 120,377.78 = 32,884.26 : x
  2. Step 2: Convert to fraction form
    80,243.75/120,377.78 = 32,884.26/x
  3. Step 3: Cross multiply
    80,243.75x = 120,377.78 × 32,884.26
  4. Step 4: Simplify right side
    80,243.75x = 3,958,534,051.32
  5. Step 5: Solve for x
    x = 3,958,534,051.32/80,243.75
  6. Step 6: Final answer
    x = 49,331.37

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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.