Finding the Fourth Proportional to 82,863.99, 114,353.64 and 47,054.97
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Solution
The fourth proportional to 82,863.99, 114,353.64 and 47,054.97 is: 64,936.62
Step by Step Solution
- Step 1: Write the proportion equation
82,863.99 : 114,353.64 = 47,054.97 : x - Step 2: Convert to fraction form
82,863.99/114,353.64 = 47,054.97/x - Step 3: Cross multiply
82,863.99x = 114,353.64 × 47,054.97 - Step 4: Simplify right side
82,863.99x = 5,380,907,099.59 - Step 5: Solve for x
x = 5,380,907,099.59/82,863.99 - Step 6: Final answer
x = 64,936.62
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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.