Finding the Fourth Proportional to 73,446.75, 101,356.56 and 39,912.75
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Solution
The fourth proportional to 73,446.75, 101,356.56 and 39,912.75 is: 55,079.62
Step by Step Solution
- Step 1: Write the proportion equation
73,446.75 : 101,356.56 = 39,912.75 : x - Step 2: Convert to fraction form
73,446.75/101,356.56 = 39,912.75/x - Step 3: Cross multiply
73,446.75x = 101,356.56 × 39,912.75 - Step 4: Simplify right side
73,446.75x = 4,045,419,040.14 - Step 5: Solve for x
x = 4,045,419,040.14/73,446.75 - Step 6: Final answer
x = 55,079.62
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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.