Finding the Fourth Proportional to 84,704.36, 116,891.20 and 46,463.12
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Solution
The fourth proportional to 84,704.36, 116,891.20 and 46,463.12 is: 64,118.66
Step by Step Solution
- Step 1: Write the proportion equation
84,704.36 : 116,891.20 = 46,463.12 : x - Step 2: Convert to fraction form
84,704.36/116,891.20 = 46,463.12/x - Step 3: Cross multiply
84,704.36x = 116,891.20 × 46,463.12 - Step 4: Simplify right side
84,704.36x = 5,431,129,852.54 - Step 5: Solve for x
x = 5,431,129,852.54/84,704.36 - Step 6: Final answer
x = 64,118.66
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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.