Finding the Fourth Proportional to 71,706.36, 107,557.11 and 27,331.50
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Solution
The fourth proportional to 71,706.36, 107,557.11 and 27,331.50 is: 40,996.32
Step by Step Solution
- Step 1: Write the proportion equation
71,706.36 : 107,557.11 = 27,331.50 : x - Step 2: Convert to fraction form
71,706.36/107,557.11 = 27,331.50/x - Step 3: Cross multiply
71,706.36x = 107,557.11 × 27,331.50 - Step 4: Simplify right side
71,706.36x = 2,939,697,151.97 - Step 5: Solve for x
x = 2,939,697,151.97/71,706.36 - Step 6: Final answer
x = 40,996.32
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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.