Finding the Fourth Proportional to 94,202.30, 129,997.68 and 51,759.92
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Solution
The fourth proportional to 94,202.30, 129,997.68 and 51,759.92 is: 71,427.87
Step by Step Solution
- Step 1: Write the proportion equation
94,202.30 : 129,997.68 = 51,759.92 : x - Step 2: Convert to fraction form
94,202.30/129,997.68 = 51,759.92/x - Step 3: Cross multiply
94,202.30x = 129,997.68 × 51,759.92 - Step 4: Simplify right side
94,202.30x = 6,728,668,867.00 - Step 5: Solve for x
x = 6,728,668,867.00/94,202.30 - Step 6: Final answer
x = 71,427.87
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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.