Finding the Fourth Proportional to 75,063.26, 112,610.94 and 27,678.48
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Solution
The fourth proportional to 75,063.26, 112,610.94 and 27,678.48 is: 41,523.64
Step by Step Solution
- Step 1: Write the proportion equation
75,063.26 : 112,610.94 = 27,678.48 : x - Step 2: Convert to fraction form
75,063.26/112,610.94 = 27,678.48/x - Step 3: Cross multiply
75,063.26x = 112,610.94 × 27,678.48 - Step 4: Simplify right side
75,063.26x = 3,116,899,650.57 - Step 5: Solve for x
x = 3,116,899,650.57/75,063.26 - Step 6: Final answer
x = 41,523.64
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1.5x scale
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.