Home / 49,709.97-74,564.94-18,122.40

Finding the Fourth Proportional to 49,709.97, 74,564.94 and 18,122.40

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Solution

The fourth proportional to 49,709.97, 74,564.94 and 18,122.40 is: 27,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.97 : 74,564.94 = 18,122.40 : x
  2. Step 2: Convert to fraction form
    49,709.97/74,564.94 = 18,122.40/x
  3. Step 3: Cross multiply
    49,709.97x = 74,564.94 × 18,122.40
  4. Step 4: Simplify right side
    49,709.97x = 1,351,295,668.66
  5. Step 5: Solve for x
    x = 1,351,295,668.66/49,709.97
  6. Step 6: Final answer
    x = 27,183.59

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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.