Finding the Fourth Proportional to 75,136.26, 103,691.26 and 41,602.26
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Solution
The fourth proportional to 75,136.26, 103,691.26 and 41,602.26 is: 57,412.90
Step by Step Solution
- Step 1: Write the proportion equation
75,136.26 : 103,691.26 = 41,602.26 : x - Step 2: Convert to fraction form
75,136.26/103,691.26 = 41,602.26/x - Step 3: Cross multiply
75,136.26x = 103,691.26 × 41,602.26 - Step 4: Simplify right side
75,136.26x = 4,313,790,758.25 - Step 5: Solve for x
x = 4,313,790,758.25/75,136.26 - Step 6: Final answer
x = 57,412.90
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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.