Finding the Fourth Proportional to 86,540.82, 129,832.17 and 32,505.99
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Solution
The fourth proportional to 86,540.82, 129,832.17 and 32,505.99 is: 48,766.85
Step by Step Solution
- Step 1: Write the proportion equation
86,540.82 : 129,832.17 = 32,505.99 : x - Step 2: Convert to fraction form
86,540.82/129,832.17 = 32,505.99/x - Step 3: Cross multiply
86,540.82x = 129,832.17 × 32,505.99 - Step 4: Simplify right side
86,540.82x = 4,220,323,219.70 - Step 5: Solve for x
x = 4,220,323,219.70/86,540.82 - Step 6: Final answer
x = 48,766.85
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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.