Finding the Fourth Proportional to 115,767.21, 173,644.10 and 44,675.94
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Solution
The fourth proportional to 115,767.21, 173,644.10 and 44,675.94 is: 67,011.32
Step by Step Solution
- Step 1: Write the proportion equation
115,767.21 : 173,644.10 = 44,675.94 : x - Step 2: Convert to fraction form
115,767.21/173,644.10 = 44,675.94/x - Step 3: Cross multiply
115,767.21x = 173,644.10 × 44,675.94 - Step 4: Simplify right side
115,767.21x = 7,757,713,169.57 - Step 5: Solve for x
x = 7,757,713,169.57/115,767.21 - Step 6: Final answer
x = 67,011.32
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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.