Home / 75,918.96-113,883.90-29,171.82

Finding the Fourth Proportional to 75,918.96, 113,883.90 and 29,171.82

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Solution

The fourth proportional to 75,918.96, 113,883.90 and 29,171.82 is: 43,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,918.96 : 113,883.90 = 29,171.82 : x
  2. Step 2: Convert to fraction form
    75,918.96/113,883.90 = 29,171.82/x
  3. Step 3: Cross multiply
    75,918.96x = 113,883.90 × 29,171.82
  4. Step 4: Simplify right side
    75,918.96x = 3,322,200,631.70
  5. Step 5: Solve for x
    x = 3,322,200,631.70/75,918.96
  6. Step 6: Final answer
    x = 43,759.83

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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.