Home / 67,161.57-100,610.28-39,022.56

Finding the Fourth Proportional to 67,161.57, 100,610.28 and 39,022.56

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Solution

The fourth proportional to 67,161.57, 100,610.28 and 39,022.56 is: 58,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.57 : 100,610.28 = 39,022.56 : x
  2. Step 2: Convert to fraction form
    67,161.57/100,610.28 = 39,022.56/x
  3. Step 3: Cross multiply
    67,161.57x = 100,610.28 × 39,022.56
  4. Step 4: Simplify right side
    67,161.57x = 3,926,070,687.92
  5. Step 5: Solve for x
    x = 3,926,070,687.92/67,161.57
  6. Step 6: Final answer
    x = 58,457.10

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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.