Finding the Fourth Proportional to 80,286.84, 110,795.76 and 44,479.08
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Solution
The fourth proportional to 80,286.84, 110,795.76 and 44,479.08 is: 61,381.09
Step by Step Solution
- Step 1: Write the proportion equation
80,286.84 : 110,795.76 = 44,479.08 : x - Step 2: Convert to fraction form
80,286.84/110,795.76 = 44,479.08/x - Step 3: Cross multiply
80,286.84x = 110,795.76 × 44,479.08 - Step 4: Simplify right side
80,286.84x = 4,928,093,472.70 - Step 5: Solve for x
x = 4,928,093,472.70/80,286.84 - Step 6: Final answer
x = 61,381.09
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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.