Finding the Fourth Proportional to 74,013.65, 111,048.35 and 44,452.09
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Solution
The fourth proportional to 74,013.65, 111,048.35 and 44,452.09 is: 66,694.87
Step by Step Solution
- Step 1: Write the proportion equation
74,013.65 : 111,048.35 = 44,452.09 : x - Step 2: Convert to fraction form
74,013.65/111,048.35 = 44,452.09/x - Step 3: Cross multiply
74,013.65x = 111,048.35 × 44,452.09 - Step 4: Simplify right side
74,013.65x = 4,936,330,748.67 - Step 5: Solve for x
x = 4,936,330,748.67/74,013.65 - Step 6: Final answer
x = 66,694.87
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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.