Finding the Fourth Proportional to 82,175.68, 113,407.79 and 46,352.62
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Solution
The fourth proportional to 82,175.68, 113,407.79 and 46,352.62 is: 63,969.63
Step by Step Solution
- Step 1: Write the proportion equation
82,175.68 : 113,407.79 = 46,352.62 : x - Step 2: Convert to fraction form
82,175.68/113,407.79 = 46,352.62/x - Step 3: Cross multiply
82,175.68x = 113,407.79 × 46,352.62 - Step 4: Simplify right side
82,175.68x = 5,256,747,679.63 - Step 5: Solve for x
x = 5,256,747,679.63/82,175.68 - Step 6: Final answer
x = 63,969.63
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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.