Finding the Fourth Proportional to 82,923.75, 124,405.07 and 27,519.75
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Solution
The fourth proportional to 82,923.75, 124,405.07 and 27,519.75 is: 41,286.08
Step by Step Solution
- Step 1: Write the proportion equation
82,923.75 : 124,405.07 = 27,519.75 : x - Step 2: Convert to fraction form
82,923.75/124,405.07 = 27,519.75/x - Step 3: Cross multiply
82,923.75x = 124,405.07 × 27,519.75 - Step 4: Simplify right side
82,923.75x = 3,423,596,287.53 - Step 5: Solve for x
x = 3,423,596,287.53/82,923.75 - Step 6: Final answer
x = 41,286.08
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1.5x scale
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.