Finding the Fourth Proportional to 71,935.21, 107,910.24 and 27,599.05
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Solution
The fourth proportional to 71,935.21, 107,910.24 and 27,599.05 is: 41,401.42
Step by Step Solution
- Step 1: Write the proportion equation
71,935.21 : 107,910.24 = 27,599.05 : x - Step 2: Convert to fraction form
71,935.21/107,910.24 = 27,599.05/x - Step 3: Cross multiply
71,935.21x = 107,910.24 × 27,599.05 - Step 4: Simplify right side
71,935.21x = 2,978,220,109.27 - Step 5: Solve for x
x = 2,978,220,109.27/71,935.21 - Step 6: Final answer
x = 41,401.42
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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.