Finding the Fourth Proportional to 67,912.97, 101,869.49 and 23,539.75
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Solution
The fourth proportional to 67,912.97, 101,869.49 and 23,539.75 is: 35,309.64
Step by Step Solution
- Step 1: Write the proportion equation
67,912.97 : 101,869.49 = 23,539.75 : x - Step 2: Convert to fraction form
67,912.97/101,869.49 = 23,539.75/x - Step 3: Cross multiply
67,912.97x = 101,869.49 × 23,539.75 - Step 4: Simplify right side
67,912.97x = 2,397,982,131.40 - Step 5: Solve for x
x = 2,397,982,131.40/67,912.97 - Step 6: Final answer
x = 35,309.64
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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.