Finding the Fourth Proportional to 80,341.13, 120,517.68 and 27,033.23
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Solution
The fourth proportional to 80,341.13, 120,517.68 and 27,033.23 is: 40,551.86
Step by Step Solution
- Step 1: Write the proportion equation
80,341.13 : 120,517.68 = 27,033.23 : x - Step 2: Convert to fraction form
80,341.13/120,517.68 = 27,033.23/x - Step 3: Cross multiply
80,341.13x = 120,517.68 × 27,033.23 - Step 4: Simplify right side
80,341.13x = 3,257,982,162.51 - Step 5: Solve for x
x = 3,257,982,162.51/80,341.13 - Step 6: Final answer
x = 40,551.86
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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.