Finding the Fourth Proportional to 67,149.41, 100,736.06 and 27,684.99
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Solution
The fourth proportional to 67,149.41, 100,736.06 and 27,684.99 is: 41,532.41
Step by Step Solution
- Step 1: Write the proportion equation
67,149.41 : 100,736.06 = 27,684.99 : x - Step 2: Convert to fraction form
67,149.41/100,736.06 = 27,684.99/x - Step 3: Cross multiply
67,149.41x = 100,736.06 × 27,684.99 - Step 4: Simplify right side
67,149.41x = 2,788,876,675.31 - Step 5: Solve for x
x = 2,788,876,675.31/67,149.41 - Step 6: Final answer
x = 41,532.41
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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.