Finding the Fourth Proportional to 91,651.97, 137,478.02 and 25,092.65
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Solution
The fourth proportional to 91,651.97, 137,478.02 and 25,092.65 is: 37,638.99
Step by Step Solution
- Step 1: Write the proportion equation
91,651.97 : 137,478.02 = 25,092.65 : x - Step 2: Convert to fraction form
91,651.97/137,478.02 = 25,092.65/x - Step 3: Cross multiply
91,651.97x = 137,478.02 × 25,092.65 - Step 4: Simplify right side
91,651.97x = 3,449,687,025.70 - Step 5: Solve for x
x = 3,449,687,025.70/91,651.97 - Step 6: Final answer
x = 37,638.99
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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.