Finding the Fourth Proportional to 107,170.62, 160,755.97 and 39,725.84
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Solution
The fourth proportional to 107,170.62, 160,755.97 and 39,725.84 is: 59,588.78
Step by Step Solution
- Step 1: Write the proportion equation
107,170.62 : 160,755.97 = 39,725.84 : x - Step 2: Convert to fraction form
107,170.62/160,755.97 = 39,725.84/x - Step 3: Cross multiply
107,170.62x = 160,755.97 × 39,725.84 - Step 4: Simplify right side
107,170.62x = 6,386,166,245.84 - Step 5: Solve for x
x = 6,386,166,245.84/107,170.62 - Step 6: Final answer
x = 59,588.78
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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.