Finding the Fourth Proportional to 80,670.14, 111,324.36 and 44,858.06
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Solution
The fourth proportional to 80,670.14, 111,324.36 and 44,858.06 is: 61,903.88
Step by Step Solution
- Step 1: Write the proportion equation
80,670.14 : 111,324.36 = 44,858.06 : x - Step 2: Convert to fraction form
80,670.14/111,324.36 = 44,858.06/x - Step 3: Cross multiply
80,670.14x = 111,324.36 × 44,858.06 - Step 4: Simplify right side
80,670.14x = 4,993,794,820.34 - Step 5: Solve for x
x = 4,993,794,820.34/80,670.14 - Step 6: Final answer
x = 61,903.88
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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.