Finding the Fourth Proportional to 82,268.63, 113,531.45 and 48,277.68
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Solution
The fourth proportional to 82,268.63, 113,531.45 and 48,277.68 is: 66,623.63
Step by Step Solution
- Step 1: Write the proportion equation
82,268.63 : 113,531.45 = 48,277.68 : x - Step 2: Convert to fraction form
82,268.63/113,531.45 = 48,277.68/x - Step 3: Cross multiply
82,268.63x = 113,531.45 × 48,277.68 - Step 4: Simplify right side
82,268.63x = 5,481,034,771.65 - Step 5: Solve for x
x = 5,481,034,771.65/82,268.63 - Step 6: Final answer
x = 66,623.63
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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.