Finding the Fourth Proportional to 96,231.65, 132,799.84 and 53,790.14
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Solution
The fourth proportional to 96,231.65, 132,799.84 and 53,790.14 is: 74,230.49
Step by Step Solution
- Step 1: Write the proportion equation
96,231.65 : 132,799.84 = 53,790.14 : x - Step 2: Convert to fraction form
96,231.65/132,799.84 = 53,790.14/x - Step 3: Cross multiply
96,231.65x = 132,799.84 × 53,790.14 - Step 4: Simplify right side
96,231.65x = 7,143,322,183.10 - Step 5: Solve for x
x = 7,143,322,183.10/96,231.65 - Step 6: Final answer
x = 74,230.49
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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.