Finding the Fourth Proportional to 72,375.24, 108,523.62 and 22,433.88
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Solution
The fourth proportional to 72,375.24, 108,523.62 and 22,433.88 is: 33,638.66
Step by Step Solution
- Step 1: Write the proportion equation
72,375.24 : 108,523.62 = 22,433.88 : x - Step 2: Convert to fraction form
72,375.24/108,523.62 = 22,433.88/x - Step 3: Cross multiply
72,375.24x = 108,523.62 × 22,433.88 - Step 4: Simplify right side
72,375.24x = 2,434,605,868.25 - Step 5: Solve for x
x = 2,434,605,868.25/72,375.24 - Step 6: Final answer
x = 33,638.66
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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.