Finding the Fourth Proportional to 73,786.08, 101,823.84 and 40,249.92
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Solution
The fourth proportional to 73,786.08, 101,823.84 and 40,249.92 is: 55,544.37
Step by Step Solution
- Step 1: Write the proportion equation
73,786.08 : 101,823.84 = 40,249.92 : x - Step 2: Convert to fraction form
73,786.08/101,823.84 = 40,249.92/x - Step 3: Cross multiply
73,786.08x = 101,823.84 × 40,249.92 - Step 4: Simplify right side
73,786.08x = 4,098,401,414.09 - Step 5: Solve for x
x = 4,098,401,414.09/73,786.08 - Step 6: Final answer
x = 55,544.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.