Finding the Fourth Proportional to 82,383.99, 123,576.66 and 53,944.92
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Solution
The fourth proportional to 82,383.99, 123,576.66 and 53,944.92 is: 80,917.82
Step by Step Solution
- Step 1: Write the proportion equation
82,383.99 : 123,576.66 = 53,944.92 : x - Step 2: Convert to fraction form
82,383.99/123,576.66 = 53,944.92/x - Step 3: Cross multiply
82,383.99x = 123,576.66 × 53,944.92 - Step 4: Simplify right side
82,383.99x = 6,666,333,037.57 - Step 5: Solve for x
x = 6,666,333,037.57/82,383.99 - Step 6: Final answer
x = 80,917.82
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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.