Finding the Fourth Proportional to 88,455.26, 122,068.40 and 48,169.19
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Solution
The fourth proportional to 88,455.26, 122,068.40 and 48,169.19 is: 66,473.56
Step by Step Solution
- Step 1: Write the proportion equation
88,455.26 : 122,068.40 = 48,169.19 : x - Step 2: Convert to fraction form
88,455.26/122,068.40 = 48,169.19/x - Step 3: Cross multiply
88,455.26x = 122,068.40 × 48,169.19 - Step 4: Simplify right side
88,455.26x = 5,879,936,016.92 - Step 5: Solve for x
x = 5,879,936,016.92/88,455.26 - Step 6: Final answer
x = 66,473.56
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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.