Finding the Fourth Proportional to 68,524.24, 102,793.20 and 18,605.14
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Solution
The fourth proportional to 68,524.24, 102,793.20 and 18,605.14 is: 27,909.57
Step by Step Solution
- Step 1: Write the proportion equation
68,524.24 : 102,793.20 = 18,605.14 : x - Step 2: Convert to fraction form
68,524.24/102,793.20 = 18,605.14/x - Step 3: Cross multiply
68,524.24x = 102,793.20 × 18,605.14 - Step 4: Simplify right side
68,524.24x = 1,912,481,877.05 - Step 5: Solve for x
x = 1,912,481,877.05/68,524.24 - Step 6: Final answer
x = 27,909.57
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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.