Finding the Fourth Proportional to 77,743.26, 116,616.69 and 27,826.79
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Solution
The fourth proportional to 77,743.26, 116,616.69 and 27,826.79 is: 41,740.82
Step by Step Solution
- Step 1: Write the proportion equation
77,743.26 : 116,616.69 = 27,826.79 : x - Step 2: Convert to fraction form
77,743.26/116,616.69 = 27,826.79/x - Step 3: Cross multiply
77,743.26x = 116,616.69 × 27,826.79 - Step 4: Simplify right side
77,743.26x = 3,245,067,560.04 - Step 5: Solve for x
x = 3,245,067,560.04/77,743.26 - Step 6: Final answer
x = 41,740.82
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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.