Home / 67,140.72-100,704.60-33,847.56

Finding the Fourth Proportional to 67,140.72, 100,704.60 and 33,847.56

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Solution

The fourth proportional to 67,140.72, 100,704.60 and 33,847.56 is: 50,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140.72 : 100,704.60 = 33,847.56 : x
  2. Step 2: Convert to fraction form
    67,140.72/100,704.60 = 33,847.56/x
  3. Step 3: Cross multiply
    67,140.72x = 100,704.60 × 33,847.56
  4. Step 4: Simplify right side
    67,140.72x = 3,408,604,990.78
  5. Step 5: Solve for x
    x = 3,408,604,990.78/67,140.72
  6. Step 6: Final answer
    x = 50,768.07

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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.