Home / 77,144.85-115,694.58-32,771.25

Finding the Fourth Proportional to 77,144.85, 115,694.58 and 32,771.25

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Solution

The fourth proportional to 77,144.85, 115,694.58 and 32,771.25 is: 49,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,144.85 : 115,694.58 = 32,771.25 : x
  2. Step 2: Convert to fraction form
    77,144.85/115,694.58 = 32,771.25/x
  3. Step 3: Cross multiply
    77,144.85x = 115,694.58 × 32,771.25
  4. Step 4: Simplify right side
    77,144.85x = 3,791,456,004.83
  5. Step 5: Solve for x
    x = 3,791,456,004.83/77,144.85
  6. Step 6: Final answer
    x = 49,147.23

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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.