Finding the Fourth Proportional to 82,163.92, 122,921.60 and 62,230.85
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Solution
The fourth proportional to 82,163.92, 122,921.60 and 62,230.85 is: 93,100.66
Step by Step Solution
- Step 1: Write the proportion equation
82,163.92 : 122,921.60 = 62,230.85 : x - Step 2: Convert to fraction form
82,163.92/122,921.60 = 62,230.85/x - Step 3: Cross multiply
82,163.92x = 122,921.60 × 62,230.85 - Step 4: Simplify right side
82,163.92x = 7,649,515,036.75 - Step 5: Solve for x
x = 7,649,515,036.75/82,163.92 - Step 6: Final answer
x = 93,100.66
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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.