Finding the Fourth Proportional to 82,572.84, 113,951.11 and 44,847.09
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Solution
The fourth proportional to 82,572.84, 113,951.11 and 44,847.09 is: 61,889.31
Step by Step Solution
- Step 1: Write the proportion equation
82,572.84 : 113,951.11 = 44,847.09 : x - Step 2: Convert to fraction form
82,572.84/113,951.11 = 44,847.09/x - Step 3: Cross multiply
82,572.84x = 113,951.11 × 44,847.09 - Step 4: Simplify right side
82,572.84x = 5,110,375,685.77 - Step 5: Solve for x
x = 5,110,375,685.77/82,572.84 - Step 6: Final answer
x = 61,889.31
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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.