Finding the Fourth Proportional to 82,505.68, 113,857.28 and 44,779.12
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Solution
The fourth proportional to 82,505.68, 113,857.28 and 44,779.12 is: 61,794.88
Step by Step Solution
- Step 1: Write the proportion equation
82,505.68 : 113,857.28 = 44,779.12 : x - Step 2: Convert to fraction form
82,505.68/113,857.28 = 44,779.12/x - Step 3: Cross multiply
82,505.68x = 113,857.28 × 44,779.12 - Step 4: Simplify right side
82,505.68x = 5,098,428,803.99 - Step 5: Solve for x
x = 5,098,428,803.99/82,505.68 - Step 6: Final answer
x = 61,794.88
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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.