Finding the Fourth Proportional to 82,067.04, 122,988.24 and 44,578.08
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Solution
The fourth proportional to 82,067.04, 122,988.24 and 44,578.08 is: 66,806.11
Step by Step Solution
- Step 1: Write the proportion equation
82,067.04 : 122,988.24 = 44,578.08 : x - Step 2: Convert to fraction form
82,067.04/122,988.24 = 44,578.08/x - Step 3: Cross multiply
82,067.04x = 122,988.24 × 44,578.08 - Step 4: Simplify right side
82,067.04x = 5,482,579,601.78 - Step 5: Solve for x
x = 5,482,579,601.78/82,067.04 - Step 6: Final answer
x = 66,806.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.