Finding the Fourth Proportional to 76,793.73, 115,182.41 and 26,874.78
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Solution
The fourth proportional to 76,793.73, 115,182.41 and 26,874.78 is: 40,309.31
Step by Step Solution
- Step 1: Write the proportion equation
76,793.73 : 115,182.41 = 26,874.78 : x - Step 2: Convert to fraction form
76,793.73/115,182.41 = 26,874.78/x - Step 3: Cross multiply
76,793.73x = 115,182.41 × 26,874.78 - Step 4: Simplify right side
76,793.73x = 3,095,501,928.62 - Step 5: Solve for x
x = 3,095,501,928.62/76,793.73 - Step 6: Final answer
x = 40,309.31
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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.