Finding the Fourth Proportional to 80,286.21, 110,793.49 and 44,475.44
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Solution
The fourth proportional to 80,286.21, 110,793.49 and 44,475.44 is: 61,375.28
Step by Step Solution
- Step 1: Write the proportion equation
80,286.21 : 110,793.49 = 44,475.44 : x - Step 2: Convert to fraction form
80,286.21/110,793.49 = 44,475.44/x - Step 3: Cross multiply
80,286.21x = 110,793.49 × 44,475.44 - Step 4: Simplify right side
80,286.21x = 4,927,588,551.73 - Step 5: Solve for x
x = 4,927,588,551.73/80,286.21 - Step 6: Final answer
x = 61,375.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.