Finding the Fourth Proportional to 80,040.92, 120,057.02 and 40,596.99
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Solution
The fourth proportional to 80,040.92, 120,057.02 and 40,596.99 is: 60,893.27
Step by Step Solution
- Step 1: Write the proportion equation
80,040.92 : 120,057.02 = 40,596.99 : x - Step 2: Convert to fraction form
80,040.92/120,057.02 = 40,596.99/x - Step 3: Cross multiply
80,040.92x = 120,057.02 × 40,596.99 - Step 4: Simplify right side
80,040.92x = 4,873,953,437.38 - Step 5: Solve for x
x = 4,873,953,437.38/80,040.92 - Step 6: Final answer
x = 60,893.27
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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.