Finding the Fourth Proportional to 73,080.11, 100,850.84 and 39,546.11
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Solution
The fourth proportional to 73,080.11, 100,850.84 and 39,546.11 is: 54,573.79
Step by Step Solution
- Step 1: Write the proportion equation
73,080.11 : 100,850.84 = 39,546.11 : x - Step 2: Convert to fraction form
73,080.11/100,850.84 = 39,546.11/x - Step 3: Cross multiply
73,080.11x = 100,850.84 × 39,546.11 - Step 4: Simplify right side
73,080.11x = 3,988,258,412.23 - Step 5: Solve for x
x = 3,988,258,412.23/73,080.11 - Step 6: Final answer
x = 54,573.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.