Home / 87,796.80-131,716.17-28,632.56

Finding the Fourth Proportional to 87,796.80, 131,716.17 and 28,632.56

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Solution

The fourth proportional to 87,796.80, 131,716.17 and 28,632.56 is: 42,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.80 : 131,716.17 = 28,632.56 : x
  2. Step 2: Convert to fraction form
    87,796.80/131,716.17 = 28,632.56/x
  3. Step 3: Cross multiply
    87,796.80x = 131,716.17 × 28,632.56
  4. Step 4: Simplify right side
    87,796.80x = 3,771,370,481.91
  5. Step 5: Solve for x
    x = 3,771,370,481.91/87,796.80
  6. Step 6: Final answer
    x = 42,955.67

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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.