Finding the Fourth Proportional to 71,412.26, 106,896.99 and 52,713.68
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Solution
The fourth proportional to 71,412.26, 106,896.99 and 52,713.68 is: 78,907.09
Step by Step Solution
- Step 1: Write the proportion equation
71,412.26 : 106,896.99 = 52,713.68 : x - Step 2: Convert to fraction form
71,412.26/106,896.99 = 52,713.68/x - Step 3: Cross multiply
71,412.26x = 106,896.99 × 52,713.68 - Step 4: Simplify right side
71,412.26x = 5,634,933,723.82 - Step 5: Solve for x
x = 5,634,933,723.82/71,412.26 - Step 6: Final answer
x = 78,907.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.