Finding the Fourth Proportional to 72,271.26, 108,453.17 and 39,014.48
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Solution
The fourth proportional to 72,271.26, 108,453.17 and 39,014.48 is: 58,546.70
Step by Step Solution
- Step 1: Write the proportion equation
72,271.26 : 108,453.17 = 39,014.48 : x - Step 2: Convert to fraction form
72,271.26/108,453.17 = 39,014.48/x - Step 3: Cross multiply
72,271.26x = 108,453.17 × 39,014.48 - Step 4: Simplify right side
72,271.26x = 4,231,244,107.96 - Step 5: Solve for x
x = 4,231,244,107.96/72,271.26 - Step 6: Final answer
x = 58,546.70
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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.