Finding the Fourth Proportional to 82,405.62, 113,716.71 and 44,679.06
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Solution
The fourth proportional to 82,405.62, 113,716.71 and 44,679.06 is: 61,655.45
Step by Step Solution
- Step 1: Write the proportion equation
82,405.62 : 113,716.71 = 44,679.06 : x - Step 2: Convert to fraction form
82,405.62/113,716.71 = 44,679.06/x - Step 3: Cross multiply
82,405.62x = 113,716.71 × 44,679.06 - Step 4: Simplify right side
82,405.62x = 5,080,755,709.09 - Step 5: Solve for x
x = 5,080,755,709.09/82,405.62 - Step 6: Final answer
x = 61,655.45
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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.