Finding the Fourth Proportional to 71,689.23, 107,452.71 and 36,093.96
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Solution
The fourth proportional to 71,689.23, 107,452.71 and 36,093.96 is: 54,100.09
Step by Step Solution
- Step 1: Write the proportion equation
71,689.23 : 107,452.71 = 36,093.96 : x - Step 2: Convert to fraction form
71,689.23/107,452.71 = 36,093.96/x - Step 3: Cross multiply
71,689.23x = 107,452.71 × 36,093.96 - Step 4: Simplify right side
71,689.23x = 3,878,393,816.63 - Step 5: Solve for x
x = 3,878,393,816.63/71,689.23 - Step 6: Final answer
x = 54,100.09
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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.