Finding the Fourth Proportional to 107,286.75, 160,891.23 and 48,091.95
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Solution
The fourth proportional to 107,286.75, 160,891.23 and 48,091.95 is: 72,120.49
Step by Step Solution
- Step 1: Write the proportion equation
107,286.75 : 160,891.23 = 48,091.95 : x - Step 2: Convert to fraction form
107,286.75/160,891.23 = 48,091.95/x - Step 3: Cross multiply
107,286.75x = 160,891.23 × 48,091.95 - Step 4: Simplify right side
107,286.75x = 7,737,572,988.60 - Step 5: Solve for x
x = 7,737,572,988.60/107,286.75 - Step 6: Final answer
x = 72,120.49
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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.