Finding the Fourth Proportional to 73,515.70, 110,208.84 and 29,173.60
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Solution
The fourth proportional to 73,515.70, 110,208.84 and 29,173.60 is: 43,734.72
Step by Step Solution
- Step 1: Write the proportion equation
73,515.70 : 110,208.84 = 29,173.60 : x - Step 2: Convert to fraction form
73,515.70/110,208.84 = 29,173.60/x - Step 3: Cross multiply
73,515.70x = 110,208.84 × 29,173.60 - Step 4: Simplify right side
73,515.70x = 3,215,188,614.62 - Step 5: Solve for x
x = 3,215,188,614.62/73,515.70 - Step 6: Final answer
x = 43,734.72
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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.