Home / 75,231.97-112,830.05-30,253.44

Finding the Fourth Proportional to 75,231.97, 112,830.05 and 30,253.44

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Solution

The fourth proportional to 75,231.97, 112,830.05 and 30,253.44 is: 45,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231.97 : 112,830.05 = 30,253.44 : x
  2. Step 2: Convert to fraction form
    75,231.97/112,830.05 = 30,253.44/x
  3. Step 3: Cross multiply
    75,231.97x = 112,830.05 × 30,253.44
  4. Step 4: Simplify right side
    75,231.97x = 3,413,497,147.87
  5. Step 5: Solve for x
    x = 3,413,497,147.87/75,231.97
  6. Step 6: Final answer
    x = 45,372.96

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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.