Finding the Fourth Proportional to 82,159.70, 113,379.74 and 44,433.95
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Solution
The fourth proportional to 82,159.70, 113,379.74 and 44,433.95 is: 61,318.50
Step by Step Solution
- Step 1: Write the proportion equation
82,159.70 : 113,379.74 = 44,433.95 : x - Step 2: Convert to fraction form
82,159.70/113,379.74 = 44,433.95/x - Step 3: Cross multiply
82,159.70x = 113,379.74 × 44,433.95 - Step 4: Simplify right side
82,159.70x = 5,037,909,698.17 - Step 5: Solve for x
x = 5,037,909,698.17/82,159.70 - Step 6: Final answer
x = 61,318.50
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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.