Finding the Fourth Proportional to 75,091.08, 112,618.88 and 27,680.42
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Solution
The fourth proportional to 75,091.08, 112,618.88 and 27,680.42 is: 41,514.09
Step by Step Solution
- Step 1: Write the proportion equation
75,091.08 : 112,618.88 = 27,680.42 : x - Step 2: Convert to fraction form
75,091.08/112,618.88 = 27,680.42/x - Step 3: Cross multiply
75,091.08x = 112,618.88 × 27,680.42 - Step 4: Simplify right side
75,091.08x = 3,117,337,898.33 - Step 5: Solve for x
x = 3,117,337,898.33/75,091.08 - Step 6: Final answer
x = 41,514.09
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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.