Finding the Fourth Proportional to 82,711.80, 114,138.99 and 44,986.05
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Solution
The fourth proportional to 82,711.80, 114,138.99 and 44,986.05 is: 62,078.96
Step by Step Solution
- Step 1: Write the proportion equation
82,711.80 : 114,138.99 = 44,986.05 : x - Step 2: Convert to fraction form
82,711.80/114,138.99 = 44,986.05/x - Step 3: Cross multiply
82,711.80x = 114,138.99 × 44,986.05 - Step 4: Simplify right side
82,711.80x = 5,134,662,311.09 - Step 5: Solve for x
x = 5,134,662,311.09/82,711.80 - Step 6: Final answer
x = 62,078.96
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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.