Finding the Fourth Proportional to 73,843.68, 110,760.66 and 18,439.68
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Solution
The fourth proportional to 73,843.68, 110,760.66 and 18,439.68 is: 27,658.31
Step by Step Solution
- Step 1: Write the proportion equation
73,843.68 : 110,760.66 = 18,439.68 : x - Step 2: Convert to fraction form
73,843.68/110,760.66 = 18,439.68/x - Step 3: Cross multiply
73,843.68x = 110,760.66 × 18,439.68 - Step 4: Simplify right side
73,843.68x = 2,042,391,126.99 - Step 5: Solve for x
x = 2,042,391,126.99/73,843.68 - Step 6: Final answer
x = 27,658.31
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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.