Finding the Fourth Proportional to 71,321.54, 106,942.33 and 48,857.62
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Solution
The fourth proportional to 71,321.54, 106,942.33 and 48,857.62 is: 73,259.03
Step by Step Solution
- Step 1: Write the proportion equation
71,321.54 : 106,942.33 = 48,857.62 : x - Step 2: Convert to fraction form
71,321.54/106,942.33 = 48,857.62/x - Step 3: Cross multiply
71,321.54x = 106,942.33 × 48,857.62 - Step 4: Simplify right side
71,321.54x = 5,224,947,290.08 - Step 5: Solve for x
x = 5,224,947,290.08/71,321.54 - Step 6: Final answer
x = 73,259.03
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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.