Finding the Fourth Proportional to 71,163.62, 106,753.63 and 18,577.20
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Solution
The fourth proportional to 71,163.62, 106,753.63 and 18,577.20 is: 27,867.94
Step by Step Solution
- Step 1: Write the proportion equation
71,163.62 : 106,753.63 = 18,577.20 : x - Step 2: Convert to fraction form
71,163.62/106,753.63 = 18,577.20/x - Step 3: Cross multiply
71,163.62x = 106,753.63 × 18,577.20 - Step 4: Simplify right side
71,163.62x = 1,983,183,535.24 - Step 5: Solve for x
x = 1,983,183,535.24/71,163.62 - Step 6: Final answer
x = 27,867.94
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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.