Finding the Fourth Proportional to 88,524.12, 122,163.30 and 48,237.90
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Solution
The fourth proportional to 88,524.12, 122,163.30 and 48,237.90 is: 66,568.31
Step by Step Solution
- Step 1: Write the proportion equation
88,524.12 : 122,163.30 = 48,237.90 : x - Step 2: Convert to fraction form
88,524.12/122,163.30 = 48,237.90/x - Step 3: Cross multiply
88,524.12x = 122,163.30 × 48,237.90 - Step 4: Simplify right side
88,524.12x = 5,892,901,049.07 - Step 5: Solve for x
x = 5,892,901,049.07/88,524.12 - Step 6: Final answer
x = 66,568.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.