Finding the Fourth Proportional to 82,440.75, 113,768.24 and 46,629.99
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Solution
The fourth proportional to 82,440.75, 113,768.24 and 46,629.99 is: 64,349.39
Step by Step Solution
- Step 1: Write the proportion equation
82,440.75 : 113,768.24 = 46,629.99 : x - Step 2: Convert to fraction form
82,440.75/113,768.24 = 46,629.99/x - Step 3: Cross multiply
82,440.75x = 113,768.24 × 46,629.99 - Step 4: Simplify right side
82,440.75x = 5,305,012,010.09 - Step 5: Solve for x
x = 5,305,012,010.09/82,440.75 - Step 6: Final answer
x = 64,349.39
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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.