Finding the Fourth Proportional to 82,128.56, 123,192.84 and 32,846
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Solution
The fourth proportional to 82,128.56, 123,192.84 and 32,846 is: 49,269
Step by Step Solution
- Step 1: Write the proportion equation
82,128.56 : 123,192.84 = 32,846 : x - Step 2: Convert to fraction form
82,128.56/123,192.84 = 32,846/x - Step 3: Cross multiply
82,128.56x = 123,192.84 × 32,846 - Step 4: Simplify right side
82,128.56x = 4,046,392,022.64 - Step 5: Solve for x
x = 4,046,392,022.64/82,128.56 - Step 6: Final answer
x = 49,269
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.