Home / 67,174.11-100,512.60-40,535.55

Finding the Fourth Proportional to 67,174.11, 100,512.60 and 40,535.55

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Solution

The fourth proportional to 67,174.11, 100,512.60 and 40,535.55 is: 60,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.11 : 100,512.60 = 40,535.55 : x
  2. Step 2: Convert to fraction form
    67,174.11/100,512.60 = 40,535.55/x
  3. Step 3: Cross multiply
    67,174.11x = 100,512.60 × 40,535.55
  4. Step 4: Simplify right side
    67,174.11x = 4,074,333,522.93
  5. Step 5: Solve for x
    x = 4,074,333,522.93/67,174.11
  6. Step 6: Final answer
    x = 60,653.33

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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.