Finding the Fourth Proportional to 82,766.24, 124,052.12 and 38,299.08
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Solution
The fourth proportional to 82,766.24, 124,052.12 and 38,299.08 is: 57,403.62
Step by Step Solution
- Step 1: Write the proportion equation
82,766.24 : 124,052.12 = 38,299.08 : x - Step 2: Convert to fraction form
82,766.24/124,052.12 = 38,299.08/x - Step 3: Cross multiply
82,766.24x = 124,052.12 × 38,299.08 - Step 4: Simplify right side
82,766.24x = 4,751,082,068.05 - Step 5: Solve for x
x = 4,751,082,068.05/82,766.24 - Step 6: Final answer
x = 57,403.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.