Finding the Fourth Proportional to 80,982.26, 121,473.36 and 41,514.20
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Solution
The fourth proportional to 80,982.26, 121,473.36 and 41,514.20 is: 62,271.28
Step by Step Solution
- Step 1: Write the proportion equation
80,982.26 : 121,473.36 = 41,514.20 : x - Step 2: Convert to fraction form
80,982.26/121,473.36 = 41,514.20/x - Step 3: Cross multiply
80,982.26x = 121,473.36 × 41,514.20 - Step 4: Simplify right side
80,982.26x = 5,042,869,361.71 - Step 5: Solve for x
x = 5,042,869,361.71/80,982.26 - Step 6: Final answer
x = 62,271.28
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1.5x scale
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.