Finding the Fourth Proportional to 80,343.13, 120,520.68 and 27,035.23
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Solution
The fourth proportional to 80,343.13, 120,520.68 and 27,035.23 is: 40,554.86
Step by Step Solution
- Step 1: Write the proportion equation
80,343.13 : 120,520.68 = 27,035.23 : x - Step 2: Convert to fraction form
80,343.13/120,520.68 = 27,035.23/x - Step 3: Cross multiply
80,343.13x = 120,520.68 × 27,035.23 - Step 4: Simplify right side
80,343.13x = 3,258,304,303.56 - Step 5: Solve for x
x = 3,258,304,303.56/80,343.13 - Step 6: Final answer
x = 40,554.86
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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.