Finding the Fourth Proportional to 75,161.93, 112,750.48 and 27,789.68
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Solution
The fourth proportional to 75,161.93, 112,750.48 and 27,789.68 is: 41,687.33
Step by Step Solution
- Step 1: Write the proportion equation
75,161.93 : 112,750.48 = 27,789.68 : x - Step 2: Convert to fraction form
75,161.93/112,750.48 = 27,789.68/x - Step 3: Cross multiply
75,161.93x = 112,750.48 × 27,789.68 - Step 4: Simplify right side
75,161.93x = 3,133,300,075.66 - Step 5: Solve for x
x = 3,133,300,075.66/75,161.93 - Step 6: Final answer
x = 41,687.33
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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.