Finding the Fourth Proportional to 82,341.44, 113,629.68 and 46,530.68
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Solution
The fourth proportional to 82,341.44, 113,629.68 and 46,530.68 is: 64,211.49
Step by Step Solution
- Step 1: Write the proportion equation
82,341.44 : 113,629.68 = 46,530.68 : x - Step 2: Convert to fraction form
82,341.44/113,629.68 = 46,530.68/x - Step 3: Cross multiply
82,341.44x = 113,629.68 × 46,530.68 - Step 4: Simplify right side
82,341.44x = 5,287,266,278.58 - Step 5: Solve for x
x = 5,287,266,278.58/82,341.44 - Step 6: Final answer
x = 64,211.49
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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.