Finding the Fourth Proportional to 73,543.76, 110,352.09 and 29,169.56
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Solution
The fourth proportional to 73,543.76, 110,352.09 and 29,169.56 is: 43,768.80
Step by Step Solution
- Step 1: Write the proportion equation
73,543.76 : 110,352.09 = 29,169.56 : x - Step 2: Convert to fraction form
73,543.76/110,352.09 = 29,169.56/x - Step 3: Cross multiply
73,543.76x = 110,352.09 × 29,169.56 - Step 4: Simplify right side
73,543.76x = 3,218,921,910.38 - Step 5: Solve for x
x = 3,218,921,910.38/73,543.76 - Step 6: Final answer
x = 43,768.80
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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.