Finding the Fourth Proportional to 82,792.96, 124,205.36 and 32,863.20
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Solution
The fourth proportional to 82,792.96, 124,205.36 and 32,863.20 is: 49,301.12
Step by Step Solution
- Step 1: Write the proportion equation
82,792.96 : 124,205.36 = 32,863.20 : x - Step 2: Convert to fraction form
82,792.96/124,205.36 = 32,863.20/x - Step 3: Cross multiply
82,792.96x = 124,205.36 × 32,863.20 - Step 4: Simplify right side
82,792.96x = 4,081,785,586.75 - Step 5: Solve for x
x = 4,081,785,586.75/82,792.96 - Step 6: Final answer
x = 49,301.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.