Finding the Fourth Proportional to 83,516.36, 125,255.37 and 49,791.92
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Solution
The fourth proportional to 83,516.36, 125,255.37 and 49,791.92 is: 74,676.45
Step by Step Solution
- Step 1: Write the proportion equation
83,516.36 : 125,255.37 = 49,791.92 : x - Step 2: Convert to fraction form
83,516.36/125,255.37 = 49,791.92/x - Step 3: Cross multiply
83,516.36x = 125,255.37 × 49,791.92 - Step 4: Simplify right side
83,516.36x = 6,236,705,362.61 - Step 5: Solve for x
x = 6,236,705,362.61/83,516.36 - Step 6: Final answer
x = 74,676.45
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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.