Finding the Fourth Proportional to 71,512.42, 107,227.09 and 27,114.96
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Solution
The fourth proportional to 71,512.42, 107,227.09 and 27,114.96 is: 40,656.69
Step by Step Solution
- Step 1: Write the proportion equation
71,512.42 : 107,227.09 = 27,114.96 : x - Step 2: Convert to fraction form
71,512.42/107,227.09 = 27,114.96/x - Step 3: Cross multiply
71,512.42x = 107,227.09 × 27,114.96 - Step 4: Simplify right side
71,512.42x = 2,907,458,256.27 - Step 5: Solve for x
x = 2,907,458,256.27/71,512.42 - Step 6: Final answer
x = 40,656.69
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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.