Finding the Fourth Proportional to 79,821.17, 110,153.66 and 44,010.55
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Solution
The fourth proportional to 79,821.17, 110,153.66 and 44,010.55 is: 60,734.80
Step by Step Solution
- Step 1: Write the proportion equation
79,821.17 : 110,153.66 = 44,010.55 : x - Step 2: Convert to fraction form
79,821.17/110,153.66 = 44,010.55/x - Step 3: Cross multiply
79,821.17x = 110,153.66 × 44,010.55 - Step 4: Simplify right side
79,821.17x = 4,847,923,161.11 - Step 5: Solve for x
x = 4,847,923,161.11/79,821.17 - Step 6: Final answer
x = 60,734.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.