Finding the Fourth Proportional to 84,640.44, 127,049.94 and 82,734.08
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Solution
The fourth proportional to 84,640.44, 127,049.94 and 82,734.08 is: 124,188.39
Step by Step Solution
- Step 1: Write the proportion equation
84,640.44 : 127,049.94 = 82,734.08 : x - Step 2: Convert to fraction form
84,640.44/127,049.94 = 82,734.08/x - Step 3: Cross multiply
84,640.44x = 127,049.94 × 82,734.08 - Step 4: Simplify right side
84,640.44x = 10,511,359,899.96 - Step 5: Solve for x
x = 10,511,359,899.96/84,640.44 - Step 6: Final answer
x = 124,188.39
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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.