Finding the Fourth Proportional to 82,037.43, 113,211.75 and 44,311.68
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Solution
The fourth proportional to 82,037.43, 113,211.75 and 44,311.68 is: 61,150.17
Step by Step Solution
- Step 1: Write the proportion equation
82,037.43 : 113,211.75 = 44,311.68 : x - Step 2: Convert to fraction form
82,037.43/113,211.75 = 44,311.68/x - Step 3: Cross multiply
82,037.43x = 113,211.75 × 44,311.68 - Step 4: Simplify right side
82,037.43x = 5,016,602,838.24 - Step 5: Solve for x
x = 5,016,602,838.24/82,037.43 - Step 6: Final answer
x = 61,150.17
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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.