Finding the Fourth Proportional to 126,006.75, 189,013.77 and 32,512.50
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Solution
The fourth proportional to 126,006.75, 189,013.77 and 32,512.50 is: 48,769.69
Step by Step Solution
- Step 1: Write the proportion equation
126,006.75 : 189,013.77 = 32,512.50 : x - Step 2: Convert to fraction form
126,006.75/189,013.77 = 32,512.50/x - Step 3: Cross multiply
126,006.75x = 189,013.77 × 32,512.50 - Step 4: Simplify right side
126,006.75x = 6,145,310,197.13 - Step 5: Solve for x
x = 6,145,310,197.13/126,006.75 - Step 6: Final answer
x = 48,769.69
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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.