Finding the Fourth Proportional to 80,366.14, 110,905.09 and 44,555.23
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Solution
The fourth proportional to 80,366.14, 110,905.09 and 44,555.23 is: 61,486.12
Step by Step Solution
- Step 1: Write the proportion equation
80,366.14 : 110,905.09 = 44,555.23 : x - Step 2: Convert to fraction form
80,366.14/110,905.09 = 44,555.23/x - Step 3: Cross multiply
80,366.14x = 110,905.09 × 44,555.23 - Step 4: Simplify right side
80,366.14x = 4,941,401,793.12 - Step 5: Solve for x
x = 4,941,401,793.12/80,366.14 - Step 6: Final answer
x = 61,486.12
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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.