Finding the Fourth Proportional to 82,029.51, 113,170.37 and 48,032.19
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Solution
The fourth proportional to 82,029.51, 113,170.37 and 48,032.19 is: 66,266.65
Step by Step Solution
- Step 1: Write the proportion equation
82,029.51 : 113,170.37 = 48,032.19 : x - Step 2: Convert to fraction form
82,029.51/113,170.37 = 48,032.19/x - Step 3: Cross multiply
82,029.51x = 113,170.37 × 48,032.19 - Step 4: Simplify right side
82,029.51x = 5,435,820,474.05 - Step 5: Solve for x
x = 5,435,820,474.05/82,029.51 - Step 6: Final answer
x = 66,266.65
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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.