Finding the Fourth Proportional to 66,717.89, 100,076.93 and 16,797.99
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Solution
The fourth proportional to 66,717.89, 100,076.93 and 16,797.99 is: 25,197.01
Step by Step Solution
- Step 1: Write the proportion equation
66,717.89 : 100,076.93 = 16,797.99 : x - Step 2: Convert to fraction form
66,717.89/100,076.93 = 16,797.99/x - Step 3: Cross multiply
66,717.89x = 100,076.93 × 16,797.99 - Step 4: Simplify right side
66,717.89x = 1,681,091,269.37 - Step 5: Solve for x
x = 1,681,091,269.37/66,717.89 - Step 6: Final answer
x = 25,197.01
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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.