Finding the Fourth Proportional to 87,772.84, 131,733.10 and 82,236.99
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Solution
The fourth proportional to 87,772.84, 131,733.10 and 82,236.99 is: 123,424.67
Step by Step Solution
- Step 1: Write the proportion equation
87,772.84 : 131,733.10 = 82,236.99 : x - Step 2: Convert to fraction form
87,772.84/131,733.10 = 82,236.99/x - Step 3: Cross multiply
87,772.84x = 131,733.10 × 82,236.99 - Step 4: Simplify right side
87,772.84x = 10,833,333,627.37 - Step 5: Solve for x
x = 10,833,333,627.37/87,772.84 - Step 6: Final answer
x = 123,424.67
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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.