Finding the Fourth Proportional to 70,794.26, 106,208.67 and 21,546.26
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Solution
The fourth proportional to 70,794.26, 106,208.67 and 21,546.26 is: 32,324.65
Step by Step Solution
- Step 1: Write the proportion equation
70,794.26 : 106,208.67 = 21,546.26 : x - Step 2: Convert to fraction form
70,794.26/106,208.67 = 21,546.26/x - Step 3: Cross multiply
70,794.26x = 106,208.67 × 21,546.26 - Step 4: Simplify right side
70,794.26x = 2,288,399,618.07 - Step 5: Solve for x
x = 2,288,399,618.07/70,794.26 - Step 6: Final answer
x = 32,324.65
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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.