Finding the Fourth Proportional to 87,891.24, 131,842.92 and 35,300.68
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Solution
The fourth proportional to 87,891.24, 131,842.92 and 35,300.68 is: 52,953.45
Step by Step Solution
- Step 1: Write the proportion equation
87,891.24 : 131,842.92 = 35,300.68 : x - Step 2: Convert to fraction form
87,891.24/131,842.92 = 35,300.68/x - Step 3: Cross multiply
87,891.24x = 131,842.92 × 35,300.68 - Step 4: Simplify right side
87,891.24x = 4,654,144,729.19 - Step 5: Solve for x
x = 4,654,144,729.19/87,891.24 - Step 6: Final answer
x = 52,953.45
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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.