Finding the Fourth Proportional to 84,313.80, 116,364.60 and 48,502.92
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Solution
The fourth proportional to 84,313.80, 116,364.60 and 48,502.92 is: 66,940.68
Step by Step Solution
- Step 1: Write the proportion equation
84,313.80 : 116,364.60 = 48,502.92 : x - Step 2: Convert to fraction form
84,313.80/116,364.60 = 48,502.92/x - Step 3: Cross multiply
84,313.80x = 116,364.60 × 48,502.92 - Step 4: Simplify right side
84,313.80x = 5,644,022,884.63 - Step 5: Solve for x
x = 5,644,022,884.63/84,313.80 - Step 6: Final answer
x = 66,940.68
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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.