Finding the Fourth Proportional to 73,797.48, 110,728.74 and 38,728.68
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Solution
The fourth proportional to 73,797.48, 110,728.74 and 38,728.68 is: 58,110.09
Step by Step Solution
- Step 1: Write the proportion equation
73,797.48 : 110,728.74 = 38,728.68 : x - Step 2: Convert to fraction form
73,797.48/110,728.74 = 38,728.68/x - Step 3: Cross multiply
73,797.48x = 110,728.74 × 38,728.68 - Step 4: Simplify right side
73,797.48x = 4,288,377,938.26 - Step 5: Solve for x
x = 4,288,377,938.26/73,797.48 - Step 6: Final answer
x = 58,110.09
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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.