Finding the Fourth Proportional to 80,474.08, 120,711.27 and 27,883.62
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Solution
The fourth proportional to 80,474.08, 120,711.27 and 27,883.62 is: 41,825.48
Step by Step Solution
- Step 1: Write the proportion equation
80,474.08 : 120,711.27 = 27,883.62 : x - Step 2: Convert to fraction form
80,474.08/120,711.27 = 27,883.62/x - Step 3: Cross multiply
80,474.08x = 120,711.27 × 27,883.62 - Step 4: Simplify right side
80,474.08x = 3,365,867,182.40 - Step 5: Solve for x
x = 3,365,867,182.40/80,474.08 - Step 6: Final answer
x = 41,825.48
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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.