Finding the Fourth Proportional to 77,796.94, 116,716.17 and 27,882.08
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Solution
The fourth proportional to 77,796.94, 116,716.17 and 27,882.08 is: 41,830.56
Step by Step Solution
- Step 1: Write the proportion equation
77,796.94 : 116,716.17 = 27,882.08 : x - Step 2: Convert to fraction form
77,796.94/116,716.17 = 27,882.08/x - Step 3: Cross multiply
77,796.94x = 116,716.17 × 27,882.08 - Step 4: Simplify right side
77,796.94x = 3,254,289,589.23 - Step 5: Solve for x
x = 3,254,289,589.23/77,796.94 - Step 6: Final answer
x = 41,830.56
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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.