Home / 49,557.66-68,372.82-28,321.80

Finding the Fourth Proportional to 49,557.66, 68,372.82 and 28,321.80

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Solution

The fourth proportional to 49,557.66, 68,372.82 and 28,321.80 is: 39,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,557.66 : 68,372.82 = 28,321.80 : x
  2. Step 2: Convert to fraction form
    49,557.66/68,372.82 = 28,321.80/x
  3. Step 3: Cross multiply
    49,557.66x = 68,372.82 × 28,321.80
  4. Step 4: Simplify right side
    49,557.66x = 1,936,441,333.48
  5. Step 5: Solve for x
    x = 1,936,441,333.48/49,557.66
  6. Step 6: Final answer
    x = 39,074.51

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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.