Finding the Fourth Proportional to 73,965.20, 110,936.87 and 27,207.14
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Solution
The fourth proportional to 73,965.20, 110,936.87 and 27,207.14 is: 40,806.69
Step by Step Solution
- Step 1: Write the proportion equation
73,965.20 : 110,936.87 = 27,207.14 : x - Step 2: Convert to fraction form
73,965.20/110,936.87 = 27,207.14/x - Step 3: Cross multiply
73,965.20x = 110,936.87 × 27,207.14 - Step 4: Simplify right side
73,965.20x = 3,018,275,094.56 - Step 5: Solve for x
x = 3,018,275,094.56/73,965.20 - Step 6: Final answer
x = 40,806.69
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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.