Finding the Fourth Proportional to 111,937.80, 167,937.36 and 33,051.96
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Solution
The fourth proportional to 111,937.80, 167,937.36 and 33,051.96 is: 49,586.99
Step by Step Solution
- Step 1: Write the proportion equation
111,937.80 : 167,937.36 = 33,051.96 : x - Step 2: Convert to fraction form
111,937.80/167,937.36 = 33,051.96/x - Step 3: Cross multiply
111,937.80x = 167,937.36 × 33,051.96 - Step 4: Simplify right side
111,937.80x = 5,550,658,905.23 - Step 5: Solve for x
x = 5,550,658,905.23/111,937.80 - Step 6: Final answer
x = 49,586.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.