Finding the Fourth Proportional to 82,407.20, 123,537.48 and 29,804.99
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Solution
The fourth proportional to 82,407.20, 123,537.48 and 29,804.99 is: 44,680.97
Step by Step Solution
- Step 1: Write the proportion equation
82,407.20 : 123,537.48 = 29,804.99 : x - Step 2: Convert to fraction form
82,407.20/123,537.48 = 29,804.99/x - Step 3: Cross multiply
82,407.20x = 123,537.48 × 29,804.99 - Step 4: Simplify right side
82,407.20x = 3,682,033,356.03 - Step 5: Solve for x
x = 3,682,033,356.03/82,407.20 - Step 6: Final answer
x = 44,680.97
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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.