Finding the Fourth Proportional to 82,221.65, 113,463.47 and 46,414.99
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Solution
The fourth proportional to 82,221.65, 113,463.47 and 46,414.99 is: 64,051.33
Step by Step Solution
- Step 1: Write the proportion equation
82,221.65 : 113,463.47 = 46,414.99 : x - Step 2: Convert to fraction form
82,221.65/113,463.47 = 46,414.99/x - Step 3: Cross multiply
82,221.65x = 113,463.47 × 46,414.99 - Step 4: Simplify right side
82,221.65x = 5,266,405,825.42 - Step 5: Solve for x
x = 5,266,405,825.42/82,221.65 - Step 6: Final answer
x = 64,051.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.