Home / 49,121.72-67,783.02-27,896.84

Finding the Fourth Proportional to 49,121.72, 67,783.02 and 27,896.84

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Solution

The fourth proportional to 49,121.72, 67,783.02 and 27,896.84 is: 38,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.72 : 67,783.02 = 27,896.84 : x
  2. Step 2: Convert to fraction form
    49,121.72/67,783.02 = 27,896.84/x
  3. Step 3: Cross multiply
    49,121.72x = 67,783.02 × 27,896.84
  4. Step 4: Simplify right side
    49,121.72x = 1,890,932,063.66
  5. Step 5: Solve for x
    x = 1,890,932,063.66/49,121.72
  6. Step 6: Final answer
    x = 38,494.83

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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.