Finding the Fourth Proportional to 91,732.38, 137,611.32 and 32,553.99
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Solution
The fourth proportional to 91,732.38, 137,611.32 and 32,553.99 is: 48,835.51
Step by Step Solution
- Step 1: Write the proportion equation
91,732.38 : 137,611.32 = 32,553.99 : x - Step 2: Convert to fraction form
91,732.38/137,611.32 = 32,553.99/x - Step 3: Cross multiply
91,732.38x = 137,611.32 × 32,553.99 - Step 4: Simplify right side
91,732.38x = 4,479,797,535.17 - Step 5: Solve for x
x = 4,479,797,535.17/91,732.38 - Step 6: Final answer
x = 48,835.51
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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.