Finding the Fourth Proportional to 71,668.26, 107,525.06 and 32,228.82
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Solution
The fourth proportional to 71,668.26, 107,525.06 and 32,228.82 is: 48,353.42
Step by Step Solution
- Step 1: Write the proportion equation
71,668.26 : 107,525.06 = 32,228.82 : x - Step 2: Convert to fraction form
71,668.26/107,525.06 = 32,228.82/x - Step 3: Cross multiply
71,668.26x = 107,525.06 × 32,228.82 - Step 4: Simplify right side
71,668.26x = 3,465,405,804.23 - Step 5: Solve for x
x = 3,465,405,804.23/71,668.26 - Step 6: Final answer
x = 48,353.42
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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.