Finding the Fourth Proportional to 82,537.68, 123,685.18 and 48,768.99
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Solution
The fourth proportional to 82,537.68, 123,685.18 and 48,768.99 is: 73,081.78
Step by Step Solution
- Step 1: Write the proportion equation
82,537.68 : 123,685.18 = 48,768.99 : x - Step 2: Convert to fraction form
82,537.68/123,685.18 = 48,768.99/x - Step 3: Cross multiply
82,537.68x = 123,685.18 × 48,768.99 - Step 4: Simplify right side
82,537.68x = 6,032,000,720.83 - Step 5: Solve for x
x = 6,032,000,720.83/82,537.68 - Step 6: Final answer
x = 73,081.78
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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.