Home / 80,174.12-120,197.18-38,033.06

Finding the Fourth Proportional to 80,174.12, 120,197.18 and 38,033.06

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Solution

The fourth proportional to 80,174.12, 120,197.18 and 38,033.06 is: 57,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174.12 : 120,197.18 = 38,033.06 : x
  2. Step 2: Convert to fraction form
    80,174.12/120,197.18 = 38,033.06/x
  3. Step 3: Cross multiply
    80,174.12x = 120,197.18 × 38,033.06
  4. Step 4: Simplify right side
    80,174.12x = 4,571,466,052.87
  5. Step 5: Solve for x
    x = 4,571,466,052.87/80,174.12
  6. Step 6: Final answer
    x = 57,019.23

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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.