Finding the Fourth Proportional to 82,214.07, 113,464.98 and 68,391.99
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Solution
The fourth proportional to 82,214.07, 113,464.98 and 68,391.99 is: 94,388.90
Step by Step Solution
- Step 1: Write the proportion equation
82,214.07 : 113,464.98 = 68,391.99 : x - Step 2: Convert to fraction form
82,214.07/113,464.98 = 68,391.99/x - Step 3: Cross multiply
82,214.07x = 113,464.98 × 68,391.99 - Step 4: Simplify right side
82,214.07x = 7,760,095,777.51 - Step 5: Solve for x
x = 7,760,095,777.51/82,214.07 - Step 6: Final answer
x = 94,388.90
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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.