Finding the Fourth Proportional to 87,896.92, 121,299.42 and 48,152.92
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Solution
The fourth proportional to 87,896.92, 121,299.42 and 48,152.92 is: 66,451.94
Step by Step Solution
- Step 1: Write the proportion equation
87,896.92 : 121,299.42 = 48,152.92 : x - Step 2: Convert to fraction form
87,896.92/121,299.42 = 48,152.92/x - Step 3: Cross multiply
87,896.92x = 121,299.42 × 48,152.92 - Step 4: Simplify right side
87,896.92x = 5,840,921,267.31 - Step 5: Solve for x
x = 5,840,921,267.31/87,896.92 - Step 6: Final answer
x = 66,451.94
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1.5x scale
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.