Finding the Fourth Proportional to 110,755.43, 166,135.50 and 39,682.70
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Solution
The fourth proportional to 110,755.43, 166,135.50 and 39,682.70 is: 59,524.89
Step by Step Solution
- Step 1: Write the proportion equation
110,755.43 : 166,135.50 = 39,682.70 : x - Step 2: Convert to fraction form
110,755.43/166,135.50 = 39,682.70/x - Step 3: Cross multiply
110,755.43x = 166,135.50 × 39,682.70 - Step 4: Simplify right side
110,755.43x = 6,592,705,205.85 - Step 5: Solve for x
x = 6,592,705,205.85/110,755.43 - Step 6: Final answer
x = 59,524.89
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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.