Finding the Fourth Proportional to 75,361.44, 113,042.16 and 44,179.68
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Solution
The fourth proportional to 75,361.44, 113,042.16 and 44,179.68 is: 66,269.52
Step by Step Solution
- Step 1: Write the proportion equation
75,361.44 : 113,042.16 = 44,179.68 : x - Step 2: Convert to fraction form
75,361.44/113,042.16 = 44,179.68/x - Step 3: Cross multiply
75,361.44x = 113,042.16 × 44,179.68 - Step 4: Simplify right side
75,361.44x = 4,994,166,455.31 - Step 5: Solve for x
x = 4,994,166,455.31/75,361.44 - Step 6: Final answer
x = 66,269.52
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1.5x scale
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.