Finding the Fourth Proportional to 71,536.86, 107,305.29 and 27,153.09
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Solution
The fourth proportional to 71,536.86, 107,305.29 and 27,153.09 is: 40,729.64
Step by Step Solution
- Step 1: Write the proportion equation
71,536.86 : 107,305.29 = 27,153.09 : x - Step 2: Convert to fraction form
71,536.86/107,305.29 = 27,153.09/x - Step 3: Cross multiply
71,536.86x = 107,305.29 × 27,153.09 - Step 4: Simplify right side
71,536.86x = 2,913,670,196.85 - Step 5: Solve for x
x = 2,913,670,196.85/71,536.86 - Step 6: Final answer
x = 40,729.64
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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.