Finding the Fourth Proportional to 96,213.49, 132,771.76 and 53,771.92
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Solution
The fourth proportional to 96,213.49, 132,771.76 and 53,771.92 is: 74,203.65
Step by Step Solution
- Step 1: Write the proportion equation
96,213.49 : 132,771.76 = 53,771.92 : x - Step 2: Convert to fraction form
96,213.49/132,771.76 = 53,771.92/x - Step 3: Cross multiply
96,213.49x = 132,771.76 × 53,771.92 - Step 4: Simplify right side
96,213.49x = 7,139,391,990.62 - Step 5: Solve for x
x = 7,139,391,990.62/96,213.49 - Step 6: Final answer
x = 74,203.65
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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.