Finding the Fourth Proportional to 82,321.44, 113,605.80 and 46,510.68
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Solution
The fourth proportional to 82,321.44, 113,605.80 and 46,510.68 is: 64,185.99
Step by Step Solution
- Step 1: Write the proportion equation
82,321.44 : 113,605.80 = 46,510.68 : x - Step 2: Convert to fraction form
82,321.44/113,605.80 = 46,510.68/x - Step 3: Cross multiply
82,321.44x = 113,605.80 × 46,510.68 - Step 4: Simplify right side
82,321.44x = 5,283,883,261.55 - Step 5: Solve for x
x = 5,283,883,261.55/82,321.44 - Step 6: Final answer
x = 64,185.99
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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.