Finding the Fourth Proportional to 73,489.68, 101,313.99 and 49,578.48
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Solution
The fourth proportional to 73,489.68, 101,313.99 and 49,578.48 is: 68,349.65
Step by Step Solution
- Step 1: Write the proportion equation
73,489.68 : 101,313.99 = 49,578.48 : x - Step 2: Convert to fraction form
73,489.68/101,313.99 = 49,578.48/x - Step 3: Cross multiply
73,489.68x = 101,313.99 × 49,578.48 - Step 4: Simplify right side
73,489.68x = 5,022,993,626.94 - Step 5: Solve for x
x = 5,022,993,626.94/73,489.68 - Step 6: Final answer
x = 68,349.65
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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.