Finding the Fourth Proportional to 84,198.69, 116,193.79 and 46,472.94
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Solution
The fourth proportional to 84,198.69, 116,193.79 and 46,472.94 is: 64,132.44
Step by Step Solution
- Step 1: Write the proportion equation
84,198.69 : 116,193.79 = 46,472.94 : x - Step 2: Convert to fraction form
84,198.69/116,193.79 = 46,472.94/x - Step 3: Cross multiply
84,198.69x = 116,193.79 × 46,472.94 - Step 4: Simplify right side
84,198.69x = 5,399,867,089.13 - Step 5: Solve for x
x = 5,399,867,089.13/84,198.69 - Step 6: Final answer
x = 64,132.44
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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.