Home / 75,531.46-113,327.87-38,102.38

Finding the Fourth Proportional to 75,531.46, 113,327.87 and 38,102.38

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Solution

The fourth proportional to 75,531.46, 113,327.87 and 38,102.38 is: 57,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.46 : 113,327.87 = 38,102.38 : x
  2. Step 2: Convert to fraction form
    75,531.46/113,327.87 = 38,102.38/x
  3. Step 3: Cross multiply
    75,531.46x = 113,327.87 × 38,102.38
  4. Step 4: Simplify right side
    75,531.46x = 4,318,061,567.33
  5. Step 5: Solve for x
    x = 4,318,061,567.33/75,531.46
  6. Step 6: Final answer
    x = 57,169.05

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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.