Finding the Fourth Proportional to 82,619.99, 114,013.73 and 48,171.09
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Solution
The fourth proportional to 82,619.99, 114,013.73 and 48,171.09 is: 66,475.02
Step by Step Solution
- Step 1: Write the proportion equation
82,619.99 : 114,013.73 = 48,171.09 : x - Step 2: Convert to fraction form
82,619.99/114,013.73 = 48,171.09/x - Step 3: Cross multiply
82,619.99x = 114,013.73 × 48,171.09 - Step 4: Simplify right side
82,619.99x = 5,492,165,408.21 - Step 5: Solve for x
x = 5,492,165,408.21/82,619.99 - Step 6: Final answer
x = 66,475.02
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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.