Finding the Fourth Proportional to 82,365.87, 113,661.84 and 44,639.31
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Solution
The fourth proportional to 82,365.87, 113,661.84 and 44,639.31 is: 61,600.59
Step by Step Solution
- Step 1: Write the proportion equation
82,365.87 : 113,661.84 = 44,639.31 : x - Step 2: Convert to fraction form
82,365.87/113,661.84 = 44,639.31/x - Step 3: Cross multiply
82,365.87x = 113,661.84 × 44,639.31 - Step 4: Simplify right side
82,365.87x = 5,073,786,110.93 - Step 5: Solve for x
x = 5,073,786,110.93/82,365.87 - Step 6: Final answer
x = 61,600.59
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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.