Finding the Fourth Proportional to 82,393.74, 113,704.11 and 44,668.08
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Solution
The fourth proportional to 82,393.74, 113,704.11 and 44,668.08 is: 61,642.36
Step by Step Solution
- Step 1: Write the proportion equation
82,393.74 : 113,704.11 = 44,668.08 : x - Step 2: Convert to fraction form
82,393.74/113,704.11 = 44,668.08/x - Step 3: Cross multiply
82,393.74x = 113,704.11 × 44,668.08 - Step 4: Simplify right side
82,393.74x = 5,078,944,281.81 - Step 5: Solve for x
x = 5,078,944,281.81/82,393.74 - Step 6: Final answer
x = 61,642.36
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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.