Finding the Fourth Proportional to 88,121.18, 132,198.70 and 35,535.98
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Solution
The fourth proportional to 88,121.18, 132,198.70 and 35,535.98 is: 53,310.80
Step by Step Solution
- Step 1: Write the proportion equation
88,121.18 : 132,198.70 = 35,535.98 : x - Step 2: Convert to fraction form
88,121.18/132,198.70 = 35,535.98/x - Step 3: Cross multiply
88,121.18x = 132,198.70 × 35,535.98 - Step 4: Simplify right side
88,121.18x = 4,697,810,359.23 - Step 5: Solve for x
x = 4,697,810,359.23/88,121.18 - Step 6: Final answer
x = 53,310.80
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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.