Finding the Fourth Proportional to 80,310.38, 120,369.99 and 60,523.70
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Solution
The fourth proportional to 80,310.38, 120,369.99 and 60,523.70 is: 90,713.52
Step by Step Solution
- Step 1: Write the proportion equation
80,310.38 : 120,369.99 = 60,523.70 : x - Step 2: Convert to fraction form
80,310.38/120,369.99 = 60,523.70/x - Step 3: Cross multiply
80,310.38x = 120,369.99 × 60,523.70 - Step 4: Simplify right side
80,310.38x = 7,285,237,163.76 - Step 5: Solve for x
x = 7,285,237,163.76/80,310.38 - Step 6: Final answer
x = 90,713.52
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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.