Home / 74,754.38-112,112.46-22,151.56

Finding the Fourth Proportional to 74,754.38, 112,112.46 and 22,151.56

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Solution

The fourth proportional to 74,754.38, 112,112.46 and 22,151.56 is: 33,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754.38 : 112,112.46 = 22,151.56 : x
  2. Step 2: Convert to fraction form
    74,754.38/112,112.46 = 22,151.56/x
  3. Step 3: Cross multiply
    74,754.38x = 112,112.46 × 22,151.56
  4. Step 4: Simplify right side
    74,754.38x = 2,483,465,884.44
  5. Step 5: Solve for x
    x = 2,483,465,884.44/74,754.38
  6. Step 6: Final answer
    x = 33,221.68

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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.