Finding the Fourth Proportional to 66,751.20, 100,163.66 and 27,335.93
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Solution
The fourth proportional to 66,751.20, 100,163.66 and 27,335.93 is: 41,018.98
Step by Step Solution
- Step 1: Write the proportion equation
66,751.20 : 100,163.66 = 27,335.93 : x - Step 2: Convert to fraction form
66,751.20/100,163.66 = 27,335.93/x - Step 3: Cross multiply
66,751.20x = 100,163.66 × 27,335.93 - Step 4: Simplify right side
66,751.20x = 2,738,066,160.81 - Step 5: Solve for x
x = 2,738,066,160.81/66,751.20 - Step 6: Final answer
x = 41,018.98
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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.