Home / 49,882.28-68,844.47-28,661.09

Finding the Fourth Proportional to 49,882.28, 68,844.47 and 28,661.09

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Solution

The fourth proportional to 49,882.28, 68,844.47 and 28,661.09 is: 39,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,882.28 : 68,844.47 = 28,661.09 : x
  2. Step 2: Convert to fraction form
    49,882.28/68,844.47 = 28,661.09/x
  3. Step 3: Cross multiply
    49,882.28x = 68,844.47 × 28,661.09
  4. Step 4: Simplify right side
    49,882.28x = 1,973,157,063.14
  5. Step 5: Solve for x
    x = 1,973,157,063.14/49,882.28
  6. Step 6: Final answer
    x = 39,556.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.