Home / 79,971.20-119,963.28-27,366.56

Finding the Fourth Proportional to 79,971.20, 119,963.28 and 27,366.56

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Solution

The fourth proportional to 79,971.20, 119,963.28 and 27,366.56 is: 41,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,971.20 : 119,963.28 = 27,366.56 : x
  2. Step 2: Convert to fraction form
    79,971.20/119,963.28 = 27,366.56/x
  3. Step 3: Cross multiply
    79,971.20x = 119,963.28 × 27,366.56
  4. Step 4: Simplify right side
    79,971.20x = 3,282,982,299.92
  5. Step 5: Solve for x
    x = 3,282,982,299.92/79,971.20
  6. Step 6: Final answer
    x = 41,052.06

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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.