Home / 87,796.91-131,716.35-28,632.65

Finding the Fourth Proportional to 87,796.91, 131,716.35 and 28,632.65

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Solution

The fourth proportional to 87,796.91, 131,716.35 and 28,632.65 is: 42,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.91 : 131,716.35 = 28,632.65 : x
  2. Step 2: Convert to fraction form
    87,796.91/131,716.35 = 28,632.65/x
  3. Step 3: Cross multiply
    87,796.91x = 131,716.35 × 28,632.65
  4. Step 4: Simplify right side
    87,796.91x = 3,771,388,148.83
  5. Step 5: Solve for x
    x = 3,771,388,148.83/87,796.91
  6. Step 6: Final answer
    x = 42,955.82

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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.