Finding the Fourth Proportional to 82,428.36, 123,654.87 and 29,850.09
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Solution
The fourth proportional to 82,428.36, 123,654.87 and 29,850.09 is: 44,779.60
Step by Step Solution
- Step 1: Write the proportion equation
82,428.36 : 123,654.87 = 29,850.09 : x - Step 2: Convert to fraction form
82,428.36/123,654.87 = 29,850.09/x - Step 3: Cross multiply
82,428.36x = 123,654.87 × 29,850.09 - Step 4: Simplify right side
82,428.36x = 3,691,108,998.44 - Step 5: Solve for x
x = 3,691,108,998.44/82,428.36 - Step 6: Final answer
x = 44,779.60
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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.