Finding the Fourth Proportional to 75,310.01, 103,842.60 and 48,049.62
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Solution
The fourth proportional to 75,310.01, 103,842.60 and 48,049.62 is: 66,254.11
Step by Step Solution
- Step 1: Write the proportion equation
75,310.01 : 103,842.60 = 48,049.62 : x - Step 2: Convert to fraction form
75,310.01/103,842.60 = 48,049.62/x - Step 3: Cross multiply
75,310.01x = 103,842.60 × 48,049.62 - Step 4: Simplify right side
75,310.01x = 4,989,597,469.81 - Step 5: Solve for x
x = 4,989,597,469.81/75,310.01 - Step 6: Final answer
x = 66,254.11
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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.