Home / 77,245.82-115,912.56-41,706.66

Finding the Fourth Proportional to 77,245.82, 115,912.56 and 41,706.66

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Solution

The fourth proportional to 77,245.82, 115,912.56 and 41,706.66 is: 62,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245.82 : 115,912.56 = 41,706.66 : x
  2. Step 2: Convert to fraction form
    77,245.82/115,912.56 = 41,706.66/x
  3. Step 3: Cross multiply
    77,245.82x = 115,912.56 × 41,706.66
  4. Step 4: Simplify right side
    77,245.82x = 4,834,325,729.65
  5. Step 5: Solve for x
    x = 4,834,325,729.65/77,245.82
  6. Step 6: Final answer
    x = 62,583.65

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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.