Finding the Fourth Proportional to 75,744.63, 104,533.56 and 41,759.13
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Solution
The fourth proportional to 75,744.63, 104,533.56 and 41,759.13 is: 57,630.89
Step by Step Solution
- Step 1: Write the proportion equation
75,744.63 : 104,533.56 = 41,759.13 : x - Step 2: Convert to fraction form
75,744.63/104,533.56 = 41,759.13/x - Step 3: Cross multiply
75,744.63x = 104,533.56 × 41,759.13 - Step 4: Simplify right side
75,744.63x = 4,365,230,521.40 - Step 5: Solve for x
x = 4,365,230,521.40/75,744.63 - Step 6: Final answer
x = 57,630.89
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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.