Finding the Fourth Proportional to 88,783.94, 122,516.52 and 48,489.68
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Solution
The fourth proportional to 88,783.94, 122,516.52 and 48,489.68 is: 66,912.85
Step by Step Solution
- Step 1: Write the proportion equation
88,783.94 : 122,516.52 = 48,489.68 : x - Step 2: Convert to fraction form
88,783.94/122,516.52 = 48,489.68/x - Step 3: Cross multiply
88,783.94x = 122,516.52 × 48,489.68 - Step 4: Simplify right side
88,783.94x = 5,940,786,849.51 - Step 5: Solve for x
x = 5,940,786,849.51/88,783.94 - Step 6: Final answer
x = 66,912.85
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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.