Finding the Fourth Proportional to 82,517.40, 113,874.12 and 44,791.68
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Solution
The fourth proportional to 82,517.40, 113,874.12 and 44,791.68 is: 61,812.58
Step by Step Solution
- Step 1: Write the proportion equation
82,517.40 : 113,874.12 = 44,791.68 : x - Step 2: Convert to fraction form
82,517.40/113,874.12 = 44,791.68/x - Step 3: Cross multiply
82,517.40x = 113,874.12 × 44,791.68 - Step 4: Simplify right side
82,517.40x = 5,100,613,143.32 - Step 5: Solve for x
x = 5,100,613,143.32/82,517.40 - Step 6: Final answer
x = 61,812.58
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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.