Home / 76,932.91-115,420.56-27,006.42

Finding the Fourth Proportional to 76,932.91, 115,420.56 and 27,006.42

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Solution

The fourth proportional to 76,932.91, 115,420.56 and 27,006.42 is: 40,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,932.91 : 115,420.56 = 27,006.42 : x
  2. Step 2: Convert to fraction form
    76,932.91/115,420.56 = 27,006.42/x
  3. Step 3: Cross multiply
    76,932.91x = 115,420.56 × 27,006.42
  4. Step 4: Simplify right side
    76,932.91x = 3,117,096,120.00
  5. Step 5: Solve for x
    x = 3,117,096,120.00/76,932.91
  6. Step 6: Final answer
    x = 40,517.07

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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.