Home / 87,950.07-131,842.17-28,744.38

Finding the Fourth Proportional to 87,950.07, 131,842.17 and 28,744.38

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Solution

The fourth proportional to 87,950.07, 131,842.17 and 28,744.38 is: 43,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.07 : 131,842.17 = 28,744.38 : x
  2. Step 2: Convert to fraction form
    87,950.07/131,842.17 = 28,744.38/x
  3. Step 3: Cross multiply
    87,950.07x = 131,842.17 × 28,744.38
  4. Step 4: Simplify right side
    87,950.07x = 3,789,721,434.50
  5. Step 5: Solve for x
    x = 3,789,721,434.50/87,950.07
  6. Step 6: Final answer
    x = 43,089.46

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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.