Finding the Fourth Proportional to 71,662.12, 107,506.11 and 29,519.19
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Solution
The fourth proportional to 71,662.12, 107,506.11 and 29,519.19 is: 44,284.11
Step by Step Solution
- Step 1: Write the proportion equation
71,662.12 : 107,506.11 = 29,519.19 : x - Step 2: Convert to fraction form
71,662.12/107,506.11 = 29,519.19/x - Step 3: Cross multiply
71,662.12x = 107,506.11 × 29,519.19 - Step 4: Simplify right side
71,662.12x = 3,173,493,287.25 - Step 5: Solve for x
x = 3,173,493,287.25/71,662.12 - Step 6: Final answer
x = 44,284.11
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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.