Finding the Fourth Proportional to 75,858.92, 113,753.17 and 44,278.10
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Solution
The fourth proportional to 75,858.92, 113,753.17 and 44,278.10 is: 66,396.60
Step by Step Solution
- Step 1: Write the proportion equation
75,858.92 : 113,753.17 = 44,278.10 : x - Step 2: Convert to fraction form
75,858.92/113,753.17 = 44,278.10/x - Step 3: Cross multiply
75,858.92x = 113,753.17 × 44,278.10 - Step 4: Simplify right side
75,858.92x = 5,036,774,015.19 - Step 5: Solve for x
x = 5,036,774,015.19/75,858.92 - Step 6: Final answer
x = 66,396.60
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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.