Home / 80,512.40-111,108.12-44,704.64

Finding the Fourth Proportional to 80,512.40, 111,108.12 and 44,704.64

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Solution

The fourth proportional to 80,512.40, 111,108.12 and 44,704.64 is: 61,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,512.40 : 111,108.12 = 44,704.64 : x
  2. Step 2: Convert to fraction form
    80,512.40/111,108.12 = 44,704.64/x
  3. Step 3: Cross multiply
    80,512.40x = 111,108.12 × 44,704.64
  4. Step 4: Simplify right side
    80,512.40x = 4,967,048,505.68
  5. Step 5: Solve for x
    x = 4,967,048,505.68/80,512.40
  6. Step 6: Final answer
    x = 61,692.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.