Finding the Fourth Proportional to 80,891.25, 121,343.01 and 27,566.65
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Solution
The fourth proportional to 80,891.25, 121,343.01 and 27,566.65 is: 41,352.07
Step by Step Solution
- Step 1: Write the proportion equation
80,891.25 : 121,343.01 = 27,566.65 : x - Step 2: Convert to fraction form
80,891.25/121,343.01 = 27,566.65/x - Step 3: Cross multiply
80,891.25x = 121,343.01 × 27,566.65 - Step 4: Simplify right side
80,891.25x = 3,345,020,286.62 - Step 5: Solve for x
x = 3,345,020,286.62/80,891.25 - Step 6: Final answer
x = 41,352.07
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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.