Finding the Fourth Proportional to 82,442.64, 113,767.80 and 44,716.08
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Solution
The fourth proportional to 82,442.64, 113,767.80 and 44,716.08 is: 61,706.54
Step by Step Solution
- Step 1: Write the proportion equation
82,442.64 : 113,767.80 = 44,716.08 : x - Step 2: Convert to fraction form
82,442.64/113,767.80 = 44,716.08/x - Step 3: Cross multiply
82,442.64x = 113,767.80 × 44,716.08 - Step 4: Simplify right side
82,442.64x = 5,087,250,046.22 - Step 5: Solve for x
x = 5,087,250,046.22/82,442.64 - Step 6: Final answer
x = 61,706.54
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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.