Home / 80,506.08-120,808.26-50,883.12

Finding the Fourth Proportional to 80,506.08, 120,808.26 and 50,883.12

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Solution

The fourth proportional to 80,506.08, 120,808.26 and 50,883.12 is: 76,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,506.08 : 120,808.26 = 50,883.12 : x
  2. Step 2: Convert to fraction form
    80,506.08/120,808.26 = 50,883.12/x
  3. Step 3: Cross multiply
    80,506.08x = 120,808.26 × 50,883.12
  4. Step 4: Simplify right side
    80,506.08x = 6,147,101,190.57
  5. Step 5: Solve for x
    x = 6,147,101,190.57/80,506.08
  6. Step 6: Final answer
    x = 76,355.74

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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.