Finding the Fourth Proportional to 82,816.37, 114,287.13 and 47,006.99
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Solution
The fourth proportional to 82,816.37, 114,287.13 and 47,006.99 is: 64,869.94
Step by Step Solution
- Step 1: Write the proportion equation
82,816.37 : 114,287.13 = 47,006.99 : x - Step 2: Convert to fraction form
82,816.37/114,287.13 = 47,006.99/x - Step 3: Cross multiply
82,816.37x = 114,287.13 × 47,006.99 - Step 4: Simplify right side
82,816.37x = 5,372,293,170.57 - Step 5: Solve for x
x = 5,372,293,170.57/82,816.37 - Step 6: Final answer
x = 64,869.94
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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.