Finding the Fourth Proportional to 73,717.70, 101,730.42 and 40,183.70
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Solution
The fourth proportional to 73,717.70, 101,730.42 and 40,183.70 is: 55,453.50
Step by Step Solution
- Step 1: Write the proportion equation
73,717.70 : 101,730.42 = 40,183.70 : x - Step 2: Convert to fraction form
73,717.70/101,730.42 = 40,183.70/x - Step 3: Cross multiply
73,717.70x = 101,730.42 × 40,183.70 - Step 4: Simplify right side
73,717.70x = 4,087,904,169.50 - Step 5: Solve for x
x = 4,087,904,169.50/73,717.70 - Step 6: Final answer
x = 55,453.50
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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.