Finding the Fourth Proportional to 94,611.06, 141,939.94 and 28,051.18
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Solution
The fourth proportional to 94,611.06, 141,939.94 and 28,051.18 is: 42,083.69
Step by Step Solution
- Step 1: Write the proportion equation
94,611.06 : 141,939.94 = 28,051.18 : x - Step 2: Convert to fraction form
94,611.06/141,939.94 = 28,051.18/x - Step 3: Cross multiply
94,611.06x = 141,939.94 × 28,051.18 - Step 4: Simplify right side
94,611.06x = 3,981,582,806.13 - Step 5: Solve for x
x = 3,981,582,806.13/94,611.06 - Step 6: Final answer
x = 42,083.69
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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.