Finding the Fourth Proportional to 80,581.92, 120,859.47 and 24,408.68
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Solution
The fourth proportional to 80,581.92, 120,859.47 and 24,408.68 is: 36,608.95
Step by Step Solution
- Step 1: Write the proportion equation
80,581.92 : 120,859.47 = 24,408.68 : x - Step 2: Convert to fraction form
80,581.92/120,859.47 = 24,408.68/x - Step 3: Cross multiply
80,581.92x = 120,859.47 × 24,408.68 - Step 4: Simplify right side
80,581.92x = 2,950,019,523.90 - Step 5: Solve for x
x = 2,950,019,523.90/80,581.92 - Step 6: Final answer
x = 36,608.95
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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.