Finding the Fourth Proportional to 86,382.66, 129,527.82 and 27,202.44
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Solution
The fourth proportional to 86,382.66, 129,527.82 and 27,202.44 is: 40,789.12
Step by Step Solution
- Step 1: Write the proportion equation
86,382.66 : 129,527.82 = 27,202.44 : x - Step 2: Convert to fraction form
86,382.66/129,527.82 = 27,202.44/x - Step 3: Cross multiply
86,382.66x = 129,527.82 × 27,202.44 - Step 4: Simplify right side
86,382.66x = 3,523,472,751.88 - Step 5: Solve for x
x = 3,523,472,751.88/86,382.66 - Step 6: Final answer
x = 40,789.12
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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.