Finding the Fourth Proportional to 80,661.14, 111,296.42 and 48,833
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Solution
The fourth proportional to 80,661.14, 111,296.42 and 48,833 is: 67,379.88
Step by Step Solution
- Step 1: Write the proportion equation
80,661.14 : 111,296.42 = 48,833 : x - Step 2: Convert to fraction form
80,661.14/111,296.42 = 48,833/x - Step 3: Cross multiply
80,661.14x = 111,296.42 × 48,833 - Step 4: Simplify right side
80,661.14x = 5,434,938,077.86 - Step 5: Solve for x
x = 5,434,938,077.86/80,661.14 - Step 6: Final answer
x = 67,379.88
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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.