Finding the Fourth Proportional to 73,704.09, 101,711.73 and 40,170.09
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Solution
The fourth proportional to 73,704.09, 101,711.73 and 40,170.09 is: 55,434.77
Step by Step Solution
- Step 1: Write the proportion equation
73,704.09 : 101,711.73 = 40,170.09 : x - Step 2: Convert to fraction form
73,704.09/101,711.73 = 40,170.09/x - Step 3: Cross multiply
73,704.09x = 101,711.73 × 40,170.09 - Step 4: Simplify right side
73,704.09x = 4,085,769,348.16 - Step 5: Solve for x
x = 4,085,769,348.16/73,704.09 - Step 6: Final answer
x = 55,434.77
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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.