Finding the Fourth Proportional to 87,912.86, 131,859.63 and 24,734.99
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Solution
The fourth proportional to 87,912.86, 131,859.63 and 24,734.99 is: 37,099.77
Step by Step Solution
- Step 1: Write the proportion equation
87,912.86 : 131,859.63 = 24,734.99 : x - Step 2: Convert to fraction form
87,912.86/131,859.63 = 24,734.99/x - Step 3: Cross multiply
87,912.86x = 131,859.63 × 24,734.99 - Step 4: Simplify right side
87,912.86x = 3,261,546,629.45 - Step 5: Solve for x
x = 3,261,546,629.45/87,912.86 - Step 6: Final answer
x = 37,099.77
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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.