Finding the Fourth Proportional to 71,960.18, 107,986.97 and 32,517.63
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Solution
The fourth proportional to 71,960.18, 107,986.97 and 32,517.63 is: 48,797.55
Step by Step Solution
- Step 1: Write the proportion equation
71,960.18 : 107,986.97 = 32,517.63 : x - Step 2: Convert to fraction form
71,960.18/107,986.97 = 32,517.63/x - Step 3: Cross multiply
71,960.18x = 107,986.97 × 32,517.63 - Step 4: Simplify right side
71,960.18x = 3,511,480,172.69 - Step 5: Solve for x
x = 3,511,480,172.69/71,960.18 - Step 6: Final answer
x = 48,797.55
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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.