Home / 76,400.82-114,584.22-32,077.62

Finding the Fourth Proportional to 76,400.82, 114,584.22 and 32,077.62

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Solution

The fourth proportional to 76,400.82, 114,584.22 and 32,077.62 is: 48,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.82 : 114,584.22 = 32,077.62 : x
  2. Step 2: Convert to fraction form
    76,400.82/114,584.22 = 32,077.62/x
  3. Step 3: Cross multiply
    76,400.82x = 114,584.22 × 32,077.62
  4. Step 4: Simplify right side
    76,400.82x = 3,675,589,067.16
  5. Step 5: Solve for x
    x = 3,675,589,067.16/76,400.82
  6. Step 6: Final answer
    x = 48,109.29

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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.