Finding the Fourth Proportional to 75,238.26, 103,828.80 and 41,704.26
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Solution
The fourth proportional to 75,238.26, 103,828.80 and 41,704.26 is: 57,551.88
Step by Step Solution
- Step 1: Write the proportion equation
75,238.26 : 103,828.80 = 41,704.26 : x - Step 2: Convert to fraction form
75,238.26/103,828.80 = 41,704.26/x - Step 3: Cross multiply
75,238.26x = 103,828.80 × 41,704.26 - Step 4: Simplify right side
75,238.26x = 4,330,103,270.69 - Step 5: Solve for x
x = 4,330,103,270.69/75,238.26 - Step 6: Final answer
x = 57,551.88
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1.5x scale
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.