Finding the Fourth Proportional to 82,568.56, 123,852.84 and 33,286
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Solution
The fourth proportional to 82,568.56, 123,852.84 and 33,286 is: 49,929
Step by Step Solution
- Step 1: Write the proportion equation
82,568.56 : 123,852.84 = 33,286 : x - Step 2: Convert to fraction form
82,568.56/123,852.84 = 33,286/x - Step 3: Cross multiply
82,568.56x = 123,852.84 × 33,286 - Step 4: Simplify right side
82,568.56x = 4,122,565,632.24 - Step 5: Solve for x
x = 4,122,565,632.24/82,568.56 - Step 6: Final answer
x = 49,929
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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.