Finding the Fourth Proportional to 71,361.92, 106,608.84 and 46,196.96
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Solution
The fourth proportional to 71,361.92, 106,608.84 and 46,196.96 is: 69,014.46
Step by Step Solution
- Step 1: Write the proportion equation
71,361.92 : 106,608.84 = 46,196.96 : x - Step 2: Convert to fraction form
71,361.92/106,608.84 = 46,196.96/x - Step 3: Cross multiply
71,361.92x = 106,608.84 × 46,196.96 - Step 4: Simplify right side
71,361.92x = 4,925,004,317.13 - Step 5: Solve for x
x = 4,925,004,317.13/71,361.92 - Step 6: Final answer
x = 69,014.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.