Finding the Fourth Proportional to 82,759.09, 124,201.01 and 60,629.17
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Solution
The fourth proportional to 82,759.09, 124,201.01 and 60,629.17 is: 90,989.45
Step by Step Solution
- Step 1: Write the proportion equation
82,759.09 : 124,201.01 = 60,629.17 : x - Step 2: Convert to fraction form
82,759.09/124,201.01 = 60,629.17/x - Step 3: Cross multiply
82,759.09x = 124,201.01 × 60,629.17 - Step 4: Simplify right side
82,759.09x = 7,530,204,149.46 - Step 5: Solve for x
x = 7,530,204,149.46/82,759.09 - Step 6: Final answer
x = 90,989.45
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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.