Home / 87,949.99-131,844.52-31,777.03

Finding the Fourth Proportional to 87,949.99, 131,844.52 and 31,777.03

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Solution

The fourth proportional to 87,949.99, 131,844.52 and 31,777.03 is: 47,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949.99 : 131,844.52 = 31,777.03 : x
  2. Step 2: Convert to fraction form
    87,949.99/131,844.52 = 31,777.03/x
  3. Step 3: Cross multiply
    87,949.99x = 131,844.52 × 31,777.03
  4. Step 4: Simplify right side
    87,949.99x = 4,189,627,267.38
  5. Step 5: Solve for x
    x = 4,189,627,267.38/87,949.99
  6. Step 6: Final answer
    x = 47,636.47

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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.