Finding the Fourth Proportional to 80,380.93, 120,562.83 and 33,000.99
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Solution
The fourth proportional to 80,380.93, 120,562.83 and 33,000.99 is: 49,497.97
Step by Step Solution
- Step 1: Write the proportion equation
80,380.93 : 120,562.83 = 33,000.99 : x - Step 2: Convert to fraction form
80,380.93/120,562.83 = 33,000.99/x - Step 3: Cross multiply
80,380.93x = 120,562.83 × 33,000.99 - Step 4: Simplify right side
80,380.93x = 3,978,692,747.20 - Step 5: Solve for x
x = 3,978,692,747.20/80,380.93 - Step 6: Final answer
x = 49,497.97
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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.