Finding the Fourth Proportional to 80,482.68, 120,745.49 and 27,892.12
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Solution
The fourth proportional to 80,482.68, 120,745.49 and 27,892.12 is: 41,845.62
Step by Step Solution
- Step 1: Write the proportion equation
80,482.68 : 120,745.49 = 27,892.12 : x - Step 2: Convert to fraction form
80,482.68/120,745.49 = 27,892.12/x - Step 3: Cross multiply
80,482.68x = 120,745.49 × 27,892.12 - Step 4: Simplify right side
80,482.68x = 3,367,847,696.54 - Step 5: Solve for x
x = 3,367,847,696.54/80,482.68 - Step 6: Final answer
x = 41,845.62
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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.