Finding the Fourth Proportional to 80,522.22, 120,782.55 and 48,940.99
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Solution
The fourth proportional to 80,522.22, 120,782.55 and 48,940.99 is: 73,411.02
Step by Step Solution
- Step 1: Write the proportion equation
80,522.22 : 120,782.55 = 48,940.99 : x - Step 2: Convert to fraction form
80,522.22/120,782.55 = 48,940.99/x - Step 3: Cross multiply
80,522.22x = 120,782.55 × 48,940.99 - Step 4: Simplify right side
80,522.22x = 5,911,218,132.70 - Step 5: Solve for x
x = 5,911,218,132.70/80,522.22 - Step 6: Final answer
x = 73,411.02
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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.