Finding the Fourth Proportional to 83,678.25, 125,521.41 and 27,517.11
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Solution
The fourth proportional to 83,678.25, 125,521.41 and 27,517.11 is: 41,276.99
Step by Step Solution
- Step 1: Write the proportion equation
83,678.25 : 125,521.41 = 27,517.11 : x - Step 2: Convert to fraction form
83,678.25/125,521.41 = 27,517.11/x - Step 3: Cross multiply
83,678.25x = 125,521.41 × 27,517.11 - Step 4: Simplify right side
83,678.25x = 3,453,986,446.33 - Step 5: Solve for x
x = 3,453,986,446.33/83,678.25 - Step 6: Final answer
x = 41,276.99
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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.