Finding the Fourth Proportional to 66,914.74, 100,350.97 and 22,531.12
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Solution
The fourth proportional to 66,914.74, 100,350.97 and 22,531.12 is: 33,789.56
Step by Step Solution
- Step 1: Write the proportion equation
66,914.74 : 100,350.97 = 22,531.12 : x - Step 2: Convert to fraction form
66,914.74/100,350.97 = 22,531.12/x - Step 3: Cross multiply
66,914.74x = 100,350.97 × 22,531.12 - Step 4: Simplify right side
66,914.74x = 2,261,019,747.19 - Step 5: Solve for x
x = 2,261,019,747.19/66,914.74 - Step 6: Final answer
x = 33,789.56
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1.5x scale
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.