Finding the Fourth Proportional to 84,517.29, 116,633.12 and 48,706.52
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Solution
The fourth proportional to 84,517.29, 116,633.12 and 48,706.52 is: 67,214.56
Step by Step Solution
- Step 1: Write the proportion equation
84,517.29 : 116,633.12 = 48,706.52 : x - Step 2: Convert to fraction form
84,517.29/116,633.12 = 48,706.52/x - Step 3: Cross multiply
84,517.29x = 116,633.12 × 48,706.52 - Step 4: Simplify right side
84,517.29x = 5,680,792,565.24 - Step 5: Solve for x
x = 5,680,792,565.24/84,517.29 - Step 6: Final answer
x = 67,214.56
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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.