Finding the Fourth Proportional to 79,847.68, 110,161.97 and 51,183.14
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Solution
The fourth proportional to 79,847.68, 110,161.97 and 51,183.14 is: 70,614.90
Step by Step Solution
- Step 1: Write the proportion equation
79,847.68 : 110,161.97 = 51,183.14 : x - Step 2: Convert to fraction form
79,847.68/110,161.97 = 51,183.14/x - Step 3: Cross multiply
79,847.68x = 110,161.97 × 51,183.14 - Step 4: Simplify right side
79,847.68x = 5,638,435,552.68 - Step 5: Solve for x
x = 5,638,435,552.68/79,847.68 - Step 6: Final answer
x = 70,614.90
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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.