Finding the Fourth Proportional to 75,217.57, 103,805.09 and 41,685.73
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Solution
The fourth proportional to 75,217.57, 103,805.09 and 41,685.73 is: 57,528.99
Step by Step Solution
- Step 1: Write the proportion equation
75,217.57 : 103,805.09 = 41,685.73 : x - Step 2: Convert to fraction form
75,217.57/103,805.09 = 41,685.73/x - Step 3: Cross multiply
75,217.57x = 103,805.09 × 41,685.73 - Step 4: Simplify right side
75,217.57x = 4,327,190,745.94 - Step 5: Solve for x
x = 4,327,190,745.94/75,217.57 - Step 6: Final answer
x = 57,528.99
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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.