Finding the Fourth Proportional to 82,163.19, 113,385.20 and 44,437.44
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Solution
The fourth proportional to 82,163.19, 113,385.20 and 44,437.44 is: 61,323.67
Step by Step Solution
- Step 1: Write the proportion equation
82,163.19 : 113,385.20 = 44,437.44 : x - Step 2: Convert to fraction form
82,163.19/113,385.20 = 44,437.44/x - Step 3: Cross multiply
82,163.19x = 113,385.20 × 44,437.44 - Step 4: Simplify right side
82,163.19x = 5,038,548,021.89 - Step 5: Solve for x
x = 5,038,548,021.89/82,163.19 - Step 6: Final answer
x = 61,323.67
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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.