Finding the Fourth Proportional to 79,881.22, 110,236.44 and 44,072.29
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Solution
The fourth proportional to 79,881.22, 110,236.44 and 44,072.29 is: 60,819.96
Step by Step Solution
- Step 1: Write the proportion equation
79,881.22 : 110,236.44 = 44,072.29 : x - Step 2: Convert to fraction form
79,881.22/110,236.44 = 44,072.29/x - Step 3: Cross multiply
79,881.22x = 110,236.44 × 44,072.29 - Step 4: Simplify right side
79,881.22x = 4,858,372,352.25 - Step 5: Solve for x
x = 4,858,372,352.25/79,881.22 - Step 6: Final answer
x = 60,819.96
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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.