Finding the Fourth Proportional to 82,503.68, 113,855.14 and 44,777.92
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Solution
The fourth proportional to 82,503.68, 113,855.14 and 44,777.92 is: 61,793.56
Step by Step Solution
- Step 1: Write the proportion equation
82,503.68 : 113,855.14 = 44,777.92 : x - Step 2: Convert to fraction form
82,503.68/113,855.14 = 44,777.92/x - Step 3: Cross multiply
82,503.68x = 113,855.14 × 44,777.92 - Step 4: Simplify right side
82,503.68x = 5,098,196,350.51 - Step 5: Solve for x
x = 5,098,196,350.51/82,503.68 - Step 6: Final answer
x = 61,793.56
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1.5x scale
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.