Finding the Fourth Proportional to 80,689.96, 121,034.94 and 24,529.96
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Solution
The fourth proportional to 80,689.96, 121,034.94 and 24,529.96 is: 36,794.94
Step by Step Solution
- Step 1: Write the proportion equation
80,689.96 : 121,034.94 = 24,529.96 : x - Step 2: Convert to fraction form
80,689.96/121,034.94 = 24,529.96/x - Step 3: Cross multiply
80,689.96x = 121,034.94 × 24,529.96 - Step 4: Simplify right side
80,689.96x = 2,968,982,236.80 - Step 5: Solve for x
x = 2,968,982,236.80/80,689.96 - Step 6: Final answer
x = 36,794.94
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1.5x scale
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.