Finding the Fourth Proportional to 76,838.99, 115,230.75 and 32,469.17
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Solution
The fourth proportional to 76,838.99, 115,230.75 and 32,469.17 is: 48,692.03
Step by Step Solution
- Step 1: Write the proportion equation
76,838.99 : 115,230.75 = 32,469.17 : x - Step 2: Convert to fraction form
76,838.99/115,230.75 = 32,469.17/x - Step 3: Cross multiply
76,838.99x = 115,230.75 × 32,469.17 - Step 4: Simplify right side
76,838.99x = 3,741,446,234.82 - Step 5: Solve for x
x = 3,741,446,234.82/76,838.99 - Step 6: Final answer
x = 48,692.03
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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.