Finding the Fourth Proportional to 87,649.80, 131,532.93 and 32,245.80
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Solution
The fourth proportional to 87,649.80, 131,532.93 and 32,245.80 is: 48,390.12
Step by Step Solution
- Step 1: Write the proportion equation
87,649.80 : 131,532.93 = 32,245.80 : x - Step 2: Convert to fraction form
87,649.80/131,532.93 = 32,245.80/x - Step 3: Cross multiply
87,649.80x = 131,532.93 × 32,245.80 - Step 4: Simplify right side
87,649.80x = 4,241,384,554.19 - Step 5: Solve for x
x = 4,241,384,554.19/87,649.80 - Step 6: Final answer
x = 48,390.12
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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.