Finding the Fourth Proportional to 100,087.11, 150,124.19 and 37,755.99
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Solution
The fourth proportional to 100,087.11, 150,124.19 and 37,755.99 is: 56,631.54
Step by Step Solution
- Step 1: Write the proportion equation
100,087.11 : 150,124.19 = 37,755.99 : x - Step 2: Convert to fraction form
100,087.11/150,124.19 = 37,755.99/x - Step 3: Cross multiply
100,087.11x = 150,124.19 × 37,755.99 - Step 4: Simplify right side
100,087.11x = 5,668,087,227.62 - Step 5: Solve for x
x = 5,668,087,227.62/100,087.11 - Step 6: Final answer
x = 56,631.54
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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.