Finding the Fourth Proportional to 82,512.24, 113,863.56 and 44,785.68
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Solution
The fourth proportional to 82,512.24, 113,863.56 and 44,785.68 is: 61,802.43
Step by Step Solution
- Step 1: Write the proportion equation
82,512.24 : 113,863.56 = 44,785.68 : x - Step 2: Convert to fraction form
82,512.24/113,863.56 = 44,785.68/x - Step 3: Cross multiply
82,512.24x = 113,863.56 × 44,785.68 - Step 4: Simplify right side
82,512.24x = 5,099,456,961.82 - Step 5: Solve for x
x = 5,099,456,961.82/82,512.24 - Step 6: Final answer
x = 61,802.43
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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.