Finding the Fourth Proportional to 75,244.13, 112,786.62 and 27,828.75
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Solution
The fourth proportional to 75,244.13, 112,786.62 and 27,828.75 is: 41,713.69
Step by Step Solution
- Step 1: Write the proportion equation
75,244.13 : 112,786.62 = 27,828.75 : x - Step 2: Convert to fraction form
75,244.13/112,786.62 = 27,828.75/x - Step 3: Cross multiply
75,244.13x = 112,786.62 × 27,828.75 - Step 4: Simplify right side
75,244.13x = 3,138,710,651.33 - Step 5: Solve for x
x = 3,138,710,651.33/75,244.13 - Step 6: Final answer
x = 41,713.69
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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.