Home / 76,540.24-114,863.32-29,793.36

Finding the Fourth Proportional to 76,540.24, 114,863.32 and 29,793.36

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Solution

The fourth proportional to 76,540.24, 114,863.32 and 29,793.36 is: 44,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540.24 : 114,863.32 = 29,793.36 : x
  2. Step 2: Convert to fraction form
    76,540.24/114,863.32 = 29,793.36/x
  3. Step 3: Cross multiply
    76,540.24x = 114,863.32 × 29,793.36
  4. Step 4: Simplify right side
    76,540.24x = 3,422,164,243.56
  5. Step 5: Solve for x
    x = 3,422,164,243.56/76,540.24
  6. Step 6: Final answer
    x = 44,710.65

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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.