Finding the Fourth Proportional to 73,183.08, 100,993.74 and 39,649.08
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Solution
The fourth proportional to 73,183.08, 100,993.74 and 39,649.08 is: 54,716.32
Step by Step Solution
- Step 1: Write the proportion equation
73,183.08 : 100,993.74 = 39,649.08 : x - Step 2: Convert to fraction form
73,183.08/100,993.74 = 39,649.08/x - Step 3: Cross multiply
73,183.08x = 100,993.74 × 39,649.08 - Step 4: Simplify right side
73,183.08x = 4,004,308,876.76 - Step 5: Solve for x
x = 4,004,308,876.76/73,183.08 - Step 6: Final answer
x = 54,716.32
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1.5x scale
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.