Home / 77,697.05-116,469.97-49,529.21

Finding the Fourth Proportional to 77,697.05, 116,469.97 and 49,529.21

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Solution

The fourth proportional to 77,697.05, 116,469.97 and 49,529.21 is: 74,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697.05 : 116,469.97 = 49,529.21 : x
  2. Step 2: Convert to fraction form
    77,697.05/116,469.97 = 49,529.21/x
  3. Step 3: Cross multiply
    77,697.05x = 116,469.97 × 49,529.21
  4. Step 4: Simplify right side
    77,697.05x = 5,768,664,896.65
  5. Step 5: Solve for x
    x = 5,768,664,896.65/77,697.05
  6. Step 6: Final answer
    x = 74,245.62

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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.