Finding the Fourth Proportional to 67,163.94, 100,680.30 and 27,748.62
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Solution
The fourth proportional to 67,163.94, 100,680.30 and 27,748.62 is: 41,595.82
Step by Step Solution
- Step 1: Write the proportion equation
67,163.94 : 100,680.30 = 27,748.62 : x - Step 2: Convert to fraction form
67,163.94/100,680.30 = 27,748.62/x - Step 3: Cross multiply
67,163.94x = 100,680.30 × 27,748.62 - Step 4: Simplify right side
67,163.94x = 2,793,739,386.19 - Step 5: Solve for x
x = 2,793,739,386.19/67,163.94 - Step 6: Final answer
x = 41,595.82
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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.