Finding the Fourth Proportional to 82,950.65, 114,466.97 and 47,135.69
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Solution
The fourth proportional to 82,950.65, 114,466.97 and 47,135.69 is: 65,044.45
Step by Step Solution
- Step 1: Write the proportion equation
82,950.65 : 114,466.97 = 47,135.69 : x - Step 2: Convert to fraction form
82,950.65/114,466.97 = 47,135.69/x - Step 3: Cross multiply
82,950.65x = 114,466.97 × 47,135.69 - Step 4: Simplify right side
82,950.65x = 5,395,479,377.48 - Step 5: Solve for x
x = 5,395,479,377.48/82,950.65 - Step 6: Final answer
x = 65,044.45
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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.