Finding the Fourth Proportional to 82,816.75, 124,244.70 and 27,412.75
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Solution
The fourth proportional to 82,816.75, 124,244.70 and 27,412.75 is: 41,125.60
Step by Step Solution
- Step 1: Write the proportion equation
82,816.75 : 124,244.70 = 27,412.75 : x - Step 2: Convert to fraction form
82,816.75/124,244.70 = 27,412.75/x - Step 3: Cross multiply
82,816.75x = 124,244.70 × 27,412.75 - Step 4: Simplify right side
82,816.75x = 3,405,888,899.93 - Step 5: Solve for x
x = 3,405,888,899.93/82,816.75 - Step 6: Final answer
x = 41,125.60
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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.