Finding the Fourth Proportional to 79,543.44, 109,770.68 and 43,733.68
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Solution
The fourth proportional to 79,543.44, 109,770.68 and 43,733.68 is: 60,352.88
Step by Step Solution
- Step 1: Write the proportion equation
79,543.44 : 109,770.68 = 43,733.68 : x - Step 2: Convert to fraction form
79,543.44/109,770.68 = 43,733.68/x - Step 3: Cross multiply
79,543.44x = 109,770.68 × 43,733.68 - Step 4: Simplify right side
79,543.44x = 4,800,675,792.50 - Step 5: Solve for x
x = 4,800,675,792.50/79,543.44 - Step 6: Final answer
x = 60,352.88
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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.