Home / 87,950.58-131,946.38-28,782.66

Finding the Fourth Proportional to 87,950.58, 131,946.38 and 28,782.66

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Solution

The fourth proportional to 87,950.58, 131,946.38 and 28,782.66 is: 43,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.58 : 131,946.38 = 28,782.66 : x
  2. Step 2: Convert to fraction form
    87,950.58/131,946.38 = 28,782.66/x
  3. Step 3: Cross multiply
    87,950.58x = 131,946.38 × 28,782.66
  4. Step 4: Simplify right side
    87,950.58x = 3,797,768,144.66
  5. Step 5: Solve for x
    x = 3,797,768,144.66/87,950.58
  6. Step 6: Final answer
    x = 43,180.71

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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.