Home / 87,794.05-131,685.66-54,066.49

Finding the Fourth Proportional to 87,794.05, 131,685.66 and 54,066.49

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Solution

The fourth proportional to 87,794.05, 131,685.66 and 54,066.49 is: 81,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,794.05 : 131,685.66 = 54,066.49 : x
  2. Step 2: Convert to fraction form
    87,794.05/131,685.66 = 54,066.49/x
  3. Step 3: Cross multiply
    87,794.05x = 131,685.66 × 54,066.49
  4. Step 4: Simplify right side
    87,794.05x = 7,119,781,786.89
  5. Step 5: Solve for x
    x = 7,119,781,786.89/87,794.05
  6. Step 6: Final answer
    x = 81,096.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.