Finding the Fourth Proportional to 82,037.74, 113,212.14 and 44,311.99
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Solution
The fourth proportional to 82,037.74, 113,212.14 and 44,311.99 is: 61,150.57
Step by Step Solution
- Step 1: Write the proportion equation
82,037.74 : 113,212.14 = 44,311.99 : x - Step 2: Convert to fraction form
82,037.74/113,212.14 = 44,311.99/x - Step 3: Cross multiply
82,037.74x = 113,212.14 × 44,311.99 - Step 4: Simplify right side
82,037.74x = 5,016,654,649.50 - Step 5: Solve for x
x = 5,016,654,649.50/82,037.74 - Step 6: Final answer
x = 61,150.57
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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.