Home / 77,942.43-116,930.97-36,366.75

Finding the Fourth Proportional to 77,942.43, 116,930.97 and 36,366.75

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Solution

The fourth proportional to 77,942.43, 116,930.97 and 36,366.75 is: 54,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.43 : 116,930.97 = 36,366.75 : x
  2. Step 2: Convert to fraction form
    77,942.43/116,930.97 = 36,366.75/x
  3. Step 3: Cross multiply
    77,942.43x = 116,930.97 × 36,366.75
  4. Step 4: Simplify right side
    77,942.43x = 4,252,399,353.25
  5. Step 5: Solve for x
    x = 4,252,399,353.25/77,942.43
  6. Step 6: Final answer
    x = 54,558.21

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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.