Finding the Fourth Proportional to 80,081.84, 110,514.12 and 44,274.80
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Solution
The fourth proportional to 80,081.84, 110,514.12 and 44,274.80 is: 61,099.88
Step by Step Solution
- Step 1: Write the proportion equation
80,081.84 : 110,514.12 = 44,274.80 : x - Step 2: Convert to fraction form
80,081.84/110,514.12 = 44,274.80/x - Step 3: Cross multiply
80,081.84x = 110,514.12 × 44,274.80 - Step 4: Simplify right side
80,081.84x = 4,892,990,560.18 - Step 5: Solve for x
x = 4,892,990,560.18/80,081.84 - Step 6: Final answer
x = 61,099.88
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1.5x scale
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.