Home / 76,261.62-114,324.75-28,843.54

Finding the Fourth Proportional to 76,261.62, 114,324.75 and 28,843.54

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Solution

The fourth proportional to 76,261.62, 114,324.75 and 28,843.54 is: 43,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,261.62 : 114,324.75 = 28,843.54 : x
  2. Step 2: Convert to fraction form
    76,261.62/114,324.75 = 28,843.54/x
  3. Step 3: Cross multiply
    76,261.62x = 114,324.75 × 28,843.54
  4. Step 4: Simplify right side
    76,261.62x = 3,297,530,499.62
  5. Step 5: Solve for x
    x = 3,297,530,499.62/76,261.62
  6. Step 6: Final answer
    x = 43,239.71

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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.