Finding the Fourth Proportional to 73,441.36, 110,163.12 and 20,850.96
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Solution
The fourth proportional to 73,441.36, 110,163.12 and 20,850.96 is: 31,276.75
Step by Step Solution
- Step 1: Write the proportion equation
73,441.36 : 110,163.12 = 20,850.96 : x - Step 2: Convert to fraction form
73,441.36/110,163.12 = 20,850.96/x - Step 3: Cross multiply
73,441.36x = 110,163.12 × 20,850.96 - Step 4: Simplify right side
73,441.36x = 2,297,006,808.60 - Step 5: Solve for x
x = 2,297,006,808.60/73,441.36 - Step 6: Final answer
x = 31,276.75
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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.