Home / 49,795.92-68,717.82-28,578.54

Finding the Fourth Proportional to 49,795.92, 68,717.82 and 28,578.54

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Solution

The fourth proportional to 49,795.92, 68,717.82 and 28,578.54 is: 39,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,795.92 : 68,717.82 = 28,578.54 : x
  2. Step 2: Convert to fraction form
    49,795.92/68,717.82 = 28,578.54/x
  3. Step 3: Cross multiply
    49,795.92x = 68,717.82 × 28,578.54
  4. Step 4: Simplify right side
    49,795.92x = 1,963,854,967.58
  5. Step 5: Solve for x
    x = 1,963,854,967.58/49,795.92
  6. Step 6: Final answer
    x = 39,438.07

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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.