Finding the Fourth Proportional to 84,750.92, 116,961.86 and 48,942.44
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Solution
The fourth proportional to 84,750.92, 116,961.86 and 48,942.44 is: 67,543.80
Step by Step Solution
- Step 1: Write the proportion equation
84,750.92 : 116,961.86 = 48,942.44 : x - Step 2: Convert to fraction form
84,750.92/116,961.86 = 48,942.44/x - Step 3: Cross multiply
84,750.92x = 116,961.86 × 48,942.44 - Step 4: Simplify right side
84,750.92x = 5,724,398,815.34 - Step 5: Solve for x
x = 5,724,398,815.34/84,750.92 - Step 6: Final answer
x = 67,543.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.