Finding the Fourth Proportional to 96,361.83, 132,979.62 and 53,920.26
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Solution
The fourth proportional to 96,361.83, 132,979.62 and 53,920.26 is: 74,410.12
Step by Step Solution
- Step 1: Write the proportion equation
96,361.83 : 132,979.62 = 53,920.26 : x - Step 2: Convert to fraction form
96,361.83/132,979.62 = 53,920.26/x - Step 3: Cross multiply
96,361.83x = 132,979.62 × 53,920.26 - Step 4: Simplify right side
96,361.83x = 7,170,295,685.10 - Step 5: Solve for x
x = 7,170,295,685.10/96,361.83 - Step 6: Final answer
x = 74,410.12
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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.