Finding the Fourth Proportional to 80,616.16, 111,245.16 and 44,803.99
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Solution
The fourth proportional to 80,616.16, 111,245.16 and 44,803.99 is: 61,826.65
Step by Step Solution
- Step 1: Write the proportion equation
80,616.16 : 111,245.16 = 44,803.99 : x - Step 2: Convert to fraction form
80,616.16/111,245.16 = 44,803.99/x - Step 3: Cross multiply
80,616.16x = 111,245.16 × 44,803.99 - Step 4: Simplify right side
80,616.16x = 4,984,227,036.19 - Step 5: Solve for x
x = 4,984,227,036.19/80,616.16 - Step 6: Final answer
x = 61,826.65
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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.