Finding the Fourth Proportional to 82,146.85, 113,374.00 and 48,163.70
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Solution
The fourth proportional to 82,146.85, 113,374.00 and 48,163.70 is: 66,472.56
Step by Step Solution
- Step 1: Write the proportion equation
82,146.85 : 113,374.00 = 48,163.70 : x - Step 2: Convert to fraction form
82,146.85/113,374.00 = 48,163.70/x - Step 3: Cross multiply
82,146.85x = 113,374.00 × 48,163.70 - Step 4: Simplify right side
82,146.85x = 5,460,511,486.83 - Step 5: Solve for x
x = 5,460,511,486.83/82,146.85 - Step 6: Final answer
x = 66,472.56
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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.