Home / 80,508.12-120,723.34-33,748.44

Finding the Fourth Proportional to 80,508.12, 120,723.34 and 33,748.44

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Solution

The fourth proportional to 80,508.12, 120,723.34 and 33,748.44 is: 50,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.12 : 120,723.34 = 33,748.44 : x
  2. Step 2: Convert to fraction form
    80,508.12/120,723.34 = 33,748.44/x
  3. Step 3: Cross multiply
    80,508.12x = 120,723.34 × 33,748.44
  4. Step 4: Simplify right side
    80,508.12x = 4,074,224,396.59
  5. Step 5: Solve for x
    x = 4,074,224,396.59/80,508.12
  6. Step 6: Final answer
    x = 50,606.38

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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.