Finding the Fourth Proportional to 82,114.48, 113,318.05 and 48,116.19
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Solution
The fourth proportional to 82,114.48, 113,318.05 and 48,116.19 is: 66,400.38
Step by Step Solution
- Step 1: Write the proportion equation
82,114.48 : 113,318.05 = 48,116.19 : x - Step 2: Convert to fraction form
82,114.48/113,318.05 = 48,116.19/x - Step 3: Cross multiply
82,114.48x = 113,318.05 × 48,116.19 - Step 4: Simplify right side
82,114.48x = 5,452,432,824.23 - Step 5: Solve for x
x = 5,452,432,824.23/82,114.48 - Step 6: Final answer
x = 66,400.38
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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.