Finding the Fourth Proportional to 84,366.76, 116,422.44 and 48,557.92
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Solution
The fourth proportional to 84,366.76, 116,422.44 and 48,557.92 is: 67,007.81
Step by Step Solution
- Step 1: Write the proportion equation
84,366.76 : 116,422.44 = 48,557.92 : x - Step 2: Convert to fraction form
84,366.76/116,422.44 = 48,557.92/x - Step 3: Cross multiply
84,366.76x = 116,422.44 × 48,557.92 - Step 4: Simplify right side
84,366.76x = 5,653,231,527.72 - Step 5: Solve for x
x = 5,653,231,527.72/84,366.76 - Step 6: Final answer
x = 67,007.81
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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.