Finding the Fourth Proportional to 91,933.02, 137,912.49 and 32,751.18
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Solution
The fourth proportional to 91,933.02, 137,912.49 and 32,751.18 is: 49,131.39
Step by Step Solution
- Step 1: Write the proportion equation
91,933.02 : 137,912.49 = 32,751.18 : x - Step 2: Convert to fraction form
91,933.02/137,912.49 = 32,751.18/x - Step 3: Cross multiply
91,933.02x = 137,912.49 × 32,751.18 - Step 4: Simplify right side
91,933.02x = 4,516,796,784.24 - Step 5: Solve for x
x = 4,516,796,784.24/91,933.02 - Step 6: Final answer
x = 49,131.39
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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.