Finding the Fourth Proportional to 87,852.63, 131,716.31 and 41,079.99
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Solution
The fourth proportional to 87,852.63, 131,716.31 and 41,079.99 is: 61,590.69
Step by Step Solution
- Step 1: Write the proportion equation
87,852.63 : 131,716.31 = 41,079.99 : x - Step 2: Convert to fraction form
87,852.63/131,716.31 = 41,079.99/x - Step 3: Cross multiply
87,852.63x = 131,716.31 × 41,079.99 - Step 4: Simplify right side
87,852.63x = 5,410,904,492.24 - Step 5: Solve for x
x = 5,410,904,492.24/87,852.63 - Step 6: Final answer
x = 61,590.69
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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.