Finding the Fourth Proportional to 84,553.29, 126,628.62 and 48,939.62
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Solution
The fourth proportional to 84,553.29, 126,628.62 and 48,939.62 is: 73,292.90
Step by Step Solution
- Step 1: Write the proportion equation
84,553.29 : 126,628.62 = 48,939.62 : x - Step 2: Convert to fraction form
84,553.29/126,628.62 = 48,939.62/x - Step 3: Cross multiply
84,553.29x = 126,628.62 × 48,939.62 - Step 4: Simplify right side
84,553.29x = 6,197,155,910.78 - Step 5: Solve for x
x = 6,197,155,910.78/84,553.29 - Step 6: Final answer
x = 73,292.90
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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.