Home / 67,174.20-100,626.84-40,505.22

Finding the Fourth Proportional to 67,174.20, 100,626.84 and 40,505.22

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Solution

The fourth proportional to 67,174.20, 100,626.84 and 40,505.22 is: 60,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.20 : 100,626.84 = 40,505.22 : x
  2. Step 2: Convert to fraction form
    67,174.20/100,626.84 = 40,505.22/x
  3. Step 3: Cross multiply
    67,174.20x = 100,626.84 × 40,505.22
  4. Step 4: Simplify right side
    67,174.20x = 4,075,912,292.10
  5. Step 5: Solve for x
    x = 4,075,912,292.10/67,174.20
  6. Step 6: Final answer
    x = 60,676.75

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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.