Finding the Fourth Proportional to 80,191.10, 110,659.10 and 44,378.96
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Solution
The fourth proportional to 80,191.10, 110,659.10 and 44,378.96 is: 61,240.41
Step by Step Solution
- Step 1: Write the proportion equation
80,191.10 : 110,659.10 = 44,378.96 : x - Step 2: Convert to fraction form
80,191.10/110,659.10 = 44,378.96/x - Step 3: Cross multiply
80,191.10x = 110,659.10 × 44,378.96 - Step 4: Simplify right side
80,191.10x = 4,910,935,772.54 - Step 5: Solve for x
x = 4,910,935,772.54/80,191.10 - Step 6: Final answer
x = 61,240.41
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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.