Home / 80,350.35-120,508.23-32,918.94

Finding the Fourth Proportional to 80,350.35, 120,508.23 and 32,918.94

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Solution

The fourth proportional to 80,350.35, 120,508.23 and 32,918.94 is: 49,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.35 : 120,508.23 = 32,918.94 : x
  2. Step 2: Convert to fraction form
    80,350.35/120,508.23 = 32,918.94/x
  3. Step 3: Cross multiply
    80,350.35x = 120,508.23 × 32,918.94
  4. Step 4: Simplify right side
    80,350.35x = 3,967,003,192.88
  5. Step 5: Solve for x
    x = 3,967,003,192.88/80,350.35
  6. Step 6: Final answer
    x = 49,371.32

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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.