Finding the Fourth Proportional to 67,207.03, 100,827.15 and 27,775.42
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Solution
The fourth proportional to 67,207.03, 100,827.15 and 27,775.42 is: 41,669.99
Step by Step Solution
- Step 1: Write the proportion equation
67,207.03 : 100,827.15 = 27,775.42 : x - Step 2: Convert to fraction form
67,207.03/100,827.15 = 27,775.42/x - Step 3: Cross multiply
67,207.03x = 100,827.15 × 27,775.42 - Step 4: Simplify right side
67,207.03x = 2,800,516,438.65 - Step 5: Solve for x
x = 2,800,516,438.65/67,207.03 - Step 6: Final answer
x = 41,669.99
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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.