Home / 87,769.41-121,091.70-49,524.25

Finding the Fourth Proportional to 87,769.41, 121,091.70 and 49,524.25

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Solution

The fourth proportional to 87,769.41, 121,091.70 and 49,524.25 is: 68,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,769.41 : 121,091.70 = 49,524.25 : x
  2. Step 2: Convert to fraction form
    87,769.41/121,091.70 = 49,524.25/x
  3. Step 3: Cross multiply
    87,769.41x = 121,091.70 × 49,524.25
  4. Step 4: Simplify right side
    87,769.41x = 5,996,975,623.73
  5. Step 5: Solve for x
    x = 5,996,975,623.73/87,769.41
  6. Step 6: Final answer
    x = 68,326.49

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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.