Finding the Fourth Proportional to 79,828.32, 110,161.58 and 44,021.67
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Solution
The fourth proportional to 79,828.32, 110,161.58 and 44,021.67 is: 60,749.08
Step by Step Solution
- Step 1: Write the proportion equation
79,828.32 : 110,161.58 = 44,021.67 : x - Step 2: Convert to fraction form
79,828.32/110,161.58 = 44,021.67/x - Step 3: Cross multiply
79,828.32x = 110,161.58 × 44,021.67 - Step 4: Simplify right side
79,828.32x = 4,849,496,721.44 - Step 5: Solve for x
x = 4,849,496,721.44/79,828.32 - Step 6: Final answer
x = 60,749.08
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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.