Finding the Fourth Proportional to 77,992.80, 116,998.34 and 27,376.36
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Solution
The fourth proportional to 77,992.80, 116,998.34 and 27,376.36 is: 41,067.75
Step by Step Solution
- Step 1: Write the proportion equation
77,992.80 : 116,998.34 = 27,376.36 : x - Step 2: Convert to fraction form
77,992.80/116,998.34 = 27,376.36/x - Step 3: Cross multiply
77,992.80x = 116,998.34 × 27,376.36 - Step 4: Simplify right side
77,992.80x = 3,202,988,675.24 - Step 5: Solve for x
x = 3,202,988,675.24/77,992.80 - Step 6: Final answer
x = 41,067.75
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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.