Home / 80,660.22-120,885.21-41,184.06

Finding the Fourth Proportional to 80,660.22, 120,885.21 and 41,184.06

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Solution

The fourth proportional to 80,660.22, 120,885.21 and 41,184.06 is: 61,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660.22 : 120,885.21 = 41,184.06 : x
  2. Step 2: Convert to fraction form
    80,660.22/120,885.21 = 41,184.06/x
  3. Step 3: Cross multiply
    80,660.22x = 120,885.21 × 41,184.06
  4. Step 4: Simplify right side
    80,660.22x = 4,978,543,741.75
  5. Step 5: Solve for x
    x = 4,978,543,741.75/80,660.22
  6. Step 6: Final answer
    x = 61,722.42

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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.