Home / 76,960.20-115,446.84-27,035.94

Finding the Fourth Proportional to 76,960.20, 115,446.84 and 27,035.94

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Solution

The fourth proportional to 76,960.20, 115,446.84 and 27,035.94 is: 40,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,960.20 : 115,446.84 = 27,035.94 : x
  2. Step 2: Convert to fraction form
    76,960.20/115,446.84 = 27,035.94/x
  3. Step 3: Cross multiply
    76,960.20x = 115,446.84 × 27,035.94
  4. Step 4: Simplify right side
    76,960.20x = 3,121,213,839.43
  5. Step 5: Solve for x
    x = 3,121,213,839.43/76,960.20
  6. Step 6: Final answer
    x = 40,556.21

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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.