Finding the Fourth Proportional to 82,636.74, 123,944.58 and 26,482.68
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Solution
The fourth proportional to 82,636.74, 123,944.58 and 26,482.68 is: 39,720.65
Step by Step Solution
- Step 1: Write the proportion equation
82,636.74 : 123,944.58 = 26,482.68 : x - Step 2: Convert to fraction form
82,636.74/123,944.58 = 26,482.68/x - Step 3: Cross multiply
82,636.74x = 123,944.58 × 26,482.68 - Step 4: Simplify right side
82,636.74x = 3,282,384,649.87 - Step 5: Solve for x
x = 3,282,384,649.87/82,636.74 - Step 6: Final answer
x = 39,720.65
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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.