Finding the Fourth Proportional to 82,826.99, 124,793.73 and 74,939.62
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Solution
The fourth proportional to 82,826.99, 124,793.73 and 74,939.62 is: 112,909.98
Step by Step Solution
- Step 1: Write the proportion equation
82,826.99 : 124,793.73 = 74,939.62 : x - Step 2: Convert to fraction form
82,826.99/124,793.73 = 74,939.62/x - Step 3: Cross multiply
82,826.99x = 124,793.73 × 74,939.62 - Step 4: Simplify right side
82,826.99x = 9,351,993,705.92 - Step 5: Solve for x
x = 9,351,993,705.92/82,826.99 - Step 6: Final answer
x = 112,909.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.