Finding the Fourth Proportional to 71,940.78, 107,922.29 and 24,544.80
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Solution
The fourth proportional to 71,940.78, 107,922.29 and 24,544.80 is: 36,820.99
Step by Step Solution
- Step 1: Write the proportion equation
71,940.78 : 107,922.29 = 24,544.80 : x - Step 2: Convert to fraction form
71,940.78/107,922.29 = 24,544.80/x - Step 3: Cross multiply
71,940.78x = 107,922.29 × 24,544.80 - Step 4: Simplify right side
71,940.78x = 2,648,930,900.87 - Step 5: Solve for x
x = 2,648,930,900.87/71,940.78 - Step 6: Final answer
x = 36,820.99
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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.