Finding the Fourth Proportional to 75,761.28, 113,604.21 and 44,182.26
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Solution
The fourth proportional to 75,761.28, 113,604.21 and 44,182.26 is: 66,251.40
Step by Step Solution
- Step 1: Write the proportion equation
75,761.28 : 113,604.21 = 44,182.26 : x - Step 2: Convert to fraction form
75,761.28/113,604.21 = 44,182.26/x - Step 3: Cross multiply
75,761.28x = 113,604.21 × 44,182.26 - Step 4: Simplify right side
75,761.28x = 5,019,290,743.31 - Step 5: Solve for x
x = 5,019,290,743.31/75,761.28 - Step 6: Final answer
x = 66,251.40
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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.