Finding the Fourth Proportional to 71,919.24, 107,879.76 and 27,548.66
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Solution
The fourth proportional to 71,919.24, 107,879.76 and 27,548.66 is: 41,323.33
Step by Step Solution
- Step 1: Write the proportion equation
71,919.24 : 107,879.76 = 27,548.66 : x - Step 2: Convert to fraction form
71,919.24/107,879.76 = 27,548.66/x - Step 3: Cross multiply
71,919.24x = 107,879.76 × 27,548.66 - Step 4: Simplify right side
71,919.24x = 2,971,942,289.72 - Step 5: Solve for x
x = 2,971,942,289.72/71,919.24 - Step 6: Final answer
x = 41,323.33
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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.