Home / 67,112.27-100,449.35-49,338.22

Finding the Fourth Proportional to 67,112.27, 100,449.35 and 49,338.22

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Solution

The fourth proportional to 67,112.27, 100,449.35 and 49,338.22 is: 73,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.27 : 100,449.35 = 49,338.22 : x
  2. Step 2: Convert to fraction form
    67,112.27/100,449.35 = 49,338.22/x
  3. Step 3: Cross multiply
    67,112.27x = 100,449.35 × 49,338.22
  4. Step 4: Simplify right side
    67,112.27x = 4,955,991,380.22
  5. Step 5: Solve for x
    x = 4,955,991,380.22/67,112.27
  6. Step 6: Final answer
    x = 73,846.28

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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.