Finding the Fourth Proportional to 88,278.50, 132,418.97 and 48,912.50
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Solution
The fourth proportional to 88,278.50, 132,418.97 and 48,912.50 is: 73,369.43
Step by Step Solution
- Step 1: Write the proportion equation
88,278.50 : 132,418.97 = 48,912.50 : x - Step 2: Convert to fraction form
88,278.50/132,418.97 = 48,912.50/x - Step 3: Cross multiply
88,278.50x = 132,418.97 × 48,912.50 - Step 4: Simplify right side
88,278.50x = 6,476,942,870.13 - Step 5: Solve for x
x = 6,476,942,870.13/88,278.50 - Step 6: Final answer
x = 73,369.43
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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.