Finding the Fourth Proportional to 75,231.71, 112,855.01 and 27,859.44
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Solution
The fourth proportional to 75,231.71, 112,855.01 and 27,859.44 is: 41,791.92
Step by Step Solution
- Step 1: Write the proportion equation
75,231.71 : 112,855.01 = 27,859.44 : x - Step 2: Convert to fraction form
75,231.71/112,855.01 = 27,859.44/x - Step 3: Cross multiply
75,231.71x = 112,855.01 × 27,859.44 - Step 4: Simplify right side
75,231.71x = 3,144,077,379.79 - Step 5: Solve for x
x = 3,144,077,379.79/75,231.71 - Step 6: Final answer
x = 41,791.92
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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.