Finding the Fourth Proportional to 67,168.44, 100,678.74 and 27,703.96
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Solution
The fourth proportional to 67,168.44, 100,678.74 and 27,703.96 is: 41,525.45
Step by Step Solution
- Step 1: Write the proportion equation
67,168.44 : 100,678.74 = 27,703.96 : x - Step 2: Convert to fraction form
67,168.44/100,678.74 = 27,703.96/x - Step 3: Cross multiply
67,168.44x = 100,678.74 × 27,703.96 - Step 4: Simplify right side
67,168.44x = 2,789,199,785.81 - Step 5: Solve for x
x = 2,789,199,785.81/67,168.44 - Step 6: Final answer
x = 41,525.45
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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.