Finding the Fourth Proportional to 91,912.99, 137,750.29 and 41,274.62
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Solution
The fourth proportional to 91,912.99, 137,750.29 and 41,274.62 is: 61,858.41
Step by Step Solution
- Step 1: Write the proportion equation
91,912.99 : 137,750.29 = 41,274.62 : x - Step 2: Convert to fraction form
91,912.99/137,750.29 = 41,274.62/x - Step 3: Cross multiply
91,912.99x = 137,750.29 × 41,274.62 - Step 4: Simplify right side
91,912.99x = 5,685,591,124.53 - Step 5: Solve for x
x = 5,685,591,124.53/91,912.99 - Step 6: Final answer
x = 61,858.41
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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.