Home / 50,198.37-69,273.10-28,687.87

Finding the Fourth Proportional to 50,198.37, 69,273.10 and 28,687.87

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Solution

The fourth proportional to 50,198.37, 69,273.10 and 28,687.87 is: 39,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,198.37 : 69,273.10 = 28,687.87 : x
  2. Step 2: Convert to fraction form
    50,198.37/69,273.10 = 28,687.87/x
  3. Step 3: Cross multiply
    50,198.37x = 69,273.10 × 28,687.87
  4. Step 4: Simplify right side
    50,198.37x = 1,987,297,809.75
  5. Step 5: Solve for x
    x = 1,987,297,809.75/50,198.37
  6. Step 6: Final answer
    x = 39,588.89

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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.