Finding the Fourth Proportional to 80,687.44, 121,044.18 and 33,953.68
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Solution
The fourth proportional to 80,687.44, 121,044.18 and 33,953.68 is: 50,936.00
Step by Step Solution
- Step 1: Write the proportion equation
80,687.44 : 121,044.18 = 33,953.68 : x - Step 2: Convert to fraction form
80,687.44/121,044.18 = 33,953.68/x - Step 3: Cross multiply
80,687.44x = 121,044.18 × 33,953.68 - Step 4: Simplify right side
80,687.44x = 4,109,895,353.58 - Step 5: Solve for x
x = 4,109,895,353.58/80,687.44 - Step 6: Final answer
x = 50,936.00
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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.