Home / 49,932.36-68,906.75-28,421.37

Finding the Fourth Proportional to 49,932.36, 68,906.75 and 28,421.37

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Solution

The fourth proportional to 49,932.36, 68,906.75 and 28,421.37 is: 39,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.36 : 68,906.75 = 28,421.37 : x
  2. Step 2: Convert to fraction form
    49,932.36/68,906.75 = 28,421.37/x
  3. Step 3: Cross multiply
    49,932.36x = 68,906.75 × 28,421.37
  4. Step 4: Simplify right side
    49,932.36x = 1,958,424,095.14
  5. Step 5: Solve for x
    x = 1,958,424,095.14/49,932.36
  6. Step 6: Final answer
    x = 39,221.54

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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.