Finding the Fourth Proportional to 83,231.71, 124,821.65 and 27,814.75
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Solution
The fourth proportional to 83,231.71, 124,821.65 and 27,814.75 is: 41,713.46
Step by Step Solution
- Step 1: Write the proportion equation
83,231.71 : 124,821.65 = 27,814.75 : x - Step 2: Convert to fraction form
83,231.71/124,821.65 = 27,814.75/x - Step 3: Cross multiply
83,231.71x = 124,821.65 × 27,814.75 - Step 4: Simplify right side
83,231.71x = 3,471,882,850.26 - Step 5: Solve for x
x = 3,471,882,850.26/83,231.71 - Step 6: Final answer
x = 41,713.46
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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.