Finding the Fourth Proportional to 80,686.44, 121,042.68 and 33,952.68
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Solution
The fourth proportional to 80,686.44, 121,042.68 and 33,952.68 is: 50,934.50
Step by Step Solution
- Step 1: Write the proportion equation
80,686.44 : 121,042.68 = 33,952.68 : x - Step 2: Convert to fraction form
80,686.44/121,042.68 = 33,952.68/x - Step 3: Cross multiply
80,686.44x = 121,042.68 × 33,952.68 - Step 4: Simplify right side
80,686.44x = 4,109,723,380.38 - Step 5: Solve for x
x = 4,109,723,380.38/80,686.44 - Step 6: Final answer
x = 50,934.50
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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.