Finding the Fourth Proportional to 71,611.12, 107,416.72 and 27,227.62
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Solution
The fourth proportional to 71,611.12, 107,416.72 and 27,227.62 is: 40,841.45
Step by Step Solution
- Step 1: Write the proportion equation
71,611.12 : 107,416.72 = 27,227.62 : x - Step 2: Convert to fraction form
71,611.12/107,416.72 = 27,227.62/x - Step 3: Cross multiply
71,611.12x = 107,416.72 × 27,227.62 - Step 4: Simplify right side
71,611.12x = 2,924,701,633.81 - Step 5: Solve for x
x = 2,924,701,633.81/71,611.12 - Step 6: Final answer
x = 40,841.45
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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.