Finding the Fourth Proportional to 82,521.36, 113,861.96 and 48,517.44
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Solution
The fourth proportional to 82,521.36, 113,861.96 and 48,517.44 is: 66,943.77
Step by Step Solution
- Step 1: Write the proportion equation
82,521.36 : 113,861.96 = 48,517.44 : x - Step 2: Convert to fraction form
82,521.36/113,861.96 = 48,517.44/x - Step 3: Cross multiply
82,521.36x = 113,861.96 × 48,517.44 - Step 4: Simplify right side
82,521.36x = 5,524,290,570.00 - Step 5: Solve for x
x = 5,524,290,570.00/82,521.36 - Step 6: Final answer
x = 66,943.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.