Home / 67,162.57-100,611.78-39,023.56

Finding the Fourth Proportional to 67,162.57, 100,611.78 and 39,023.56

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Solution

The fourth proportional to 67,162.57, 100,611.78 and 39,023.56 is: 58,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,162.57 : 100,611.78 = 39,023.56 : x
  2. Step 2: Convert to fraction form
    67,162.57/100,611.78 = 39,023.56/x
  3. Step 3: Cross multiply
    67,162.57x = 100,611.78 × 39,023.56
  4. Step 4: Simplify right side
    67,162.57x = 3,926,229,833.54
  5. Step 5: Solve for x
    x = 3,926,229,833.54/67,162.57
  6. Step 6: Final answer
    x = 58,458.60

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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.