Finding the Fourth Proportional to 71,704.36, 107,554.11 and 27,329.50
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Solution
The fourth proportional to 71,704.36, 107,554.11 and 27,329.50 is: 40,993.32
Step by Step Solution
- Step 1: Write the proportion equation
71,704.36 : 107,554.11 = 27,329.50 : x - Step 2: Convert to fraction form
71,704.36/107,554.11 = 27,329.50/x - Step 3: Cross multiply
71,704.36x = 107,554.11 × 27,329.50 - Step 4: Simplify right side
71,704.36x = 2,939,400,049.25 - Step 5: Solve for x
x = 2,939,400,049.25/71,704.36 - Step 6: Final answer
x = 40,993.32
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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.