Finding the Fourth Proportional to 79,959.25, 119,939.51 and 27,369.19
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Solution
The fourth proportional to 79,959.25, 119,939.51 and 27,369.19 is: 41,054.00
Step by Step Solution
- Step 1: Write the proportion equation
79,959.25 : 119,939.51 = 27,369.19 : x - Step 2: Convert to fraction form
79,959.25/119,939.51 = 27,369.19/x - Step 3: Cross multiply
79,959.25x = 119,939.51 × 27,369.19 - Step 4: Simplify right side
79,959.25x = 3,282,647,237.70 - Step 5: Solve for x
x = 3,282,647,237.70/79,959.25 - Step 6: Final answer
x = 41,054.00
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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.