Finding the Fourth Proportional to 84,409.19, 116,471.75 and 48,592.28
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Solution
The fourth proportional to 84,409.19, 116,471.75 and 48,592.28 is: 67,049.90
Step by Step Solution
- Step 1: Write the proportion equation
84,409.19 : 116,471.75 = 48,592.28 : x - Step 2: Convert to fraction form
84,409.19/116,471.75 = 48,592.28/x - Step 3: Cross multiply
84,409.19x = 116,471.75 × 48,592.28 - Step 4: Simplify right side
84,409.19x = 5,659,627,062.77 - Step 5: Solve for x
x = 5,659,627,062.77/84,409.19 - Step 6: Final answer
x = 67,049.90
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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.