Home / 49,531.20-74,343.84-30,754.32

Finding the Fourth Proportional to 49,531.20, 74,343.84 and 30,754.32

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Solution

The fourth proportional to 49,531.20, 74,343.84 and 30,754.32 is: 46,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531.20 : 74,343.84 = 30,754.32 : x
  2. Step 2: Convert to fraction form
    49,531.20/74,343.84 = 30,754.32/x
  3. Step 3: Cross multiply
    49,531.20x = 74,343.84 × 30,754.32
  4. Step 4: Simplify right side
    49,531.20x = 2,286,394,245.39
  5. Step 5: Solve for x
    x = 2,286,394,245.39/49,531.20
  6. Step 6: Final answer
    x = 46,160.69

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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.