Finding the Fourth Proportional to 82,512.51, 113,864.19 and 44,785.95
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Solution
The fourth proportional to 82,512.51, 113,864.19 and 44,785.95 is: 61,802.94
Step by Step Solution
- Step 1: Write the proportion equation
82,512.51 : 113,864.19 = 44,785.95 : x - Step 2: Convert to fraction form
82,512.51/113,864.19 = 44,785.95/x - Step 3: Cross multiply
82,512.51x = 113,864.19 × 44,785.95 - Step 4: Simplify right side
82,512.51x = 5,099,515,920.13 - Step 5: Solve for x
x = 5,099,515,920.13/82,512.51 - Step 6: Final answer
x = 61,802.94
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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.