Finding the Fourth Proportional to 82,044.42, 113,221.36 and 44,318.68
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Solution
The fourth proportional to 82,044.42, 113,221.36 and 44,318.68 is: 61,159.81
Step by Step Solution
- Step 1: Write the proportion equation
82,044.42 : 113,221.36 = 44,318.68 : x - Step 2: Convert to fraction form
82,044.42/113,221.36 = 44,318.68/x - Step 3: Cross multiply
82,044.42x = 113,221.36 × 44,318.68 - Step 4: Simplify right side
82,044.42x = 5,017,821,223.00 - Step 5: Solve for x
x = 5,017,821,223.00/82,044.42 - Step 6: Final answer
x = 61,159.81
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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.