Finding the Fourth Proportional to 82,756.99, 114,184.74 and 48,766.87
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Solution
The fourth proportional to 82,756.99, 114,184.74 and 48,766.87 is: 67,286.55
Step by Step Solution
- Step 1: Write the proportion equation
82,756.99 : 114,184.74 = 48,766.87 : x - Step 2: Convert to fraction form
82,756.99/114,184.74 = 48,766.87/x - Step 3: Cross multiply
82,756.99x = 114,184.74 × 48,766.87 - Step 4: Simplify right side
82,756.99x = 5,568,432,371.56 - Step 5: Solve for x
x = 5,568,432,371.56/82,756.99 - Step 6: Final answer
x = 67,286.55
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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.