Finding the Fourth Proportional to 82,812.10, 124,192.00 and 26,639.68
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Solution
The fourth proportional to 82,812.10, 124,192.00 and 26,639.68 is: 39,951.11
Step by Step Solution
- Step 1: Write the proportion equation
82,812.10 : 124,192.00 = 26,639.68 : x - Step 2: Convert to fraction form
82,812.10/124,192.00 = 26,639.68/x - Step 3: Cross multiply
82,812.10x = 124,192.00 × 26,639.68 - Step 4: Simplify right side
82,812.10x = 3,308,435,406.07 - Step 5: Solve for x
x = 3,308,435,406.07/82,812.10 - Step 6: Final answer
x = 39,951.11
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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.