Finding the Fourth Proportional to 75,469.14, 104,147.43 and 41,935.14
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Solution
The fourth proportional to 75,469.14, 104,147.43 and 41,935.14 is: 57,870.50
Step by Step Solution
- Step 1: Write the proportion equation
75,469.14 : 104,147.43 = 41,935.14 : x - Step 2: Convert to fraction form
75,469.14/104,147.43 = 41,935.14/x - Step 3: Cross multiply
75,469.14x = 104,147.43 × 41,935.14 - Step 4: Simplify right side
75,469.14x = 4,367,437,057.69 - Step 5: Solve for x
x = 4,367,437,057.69/75,469.14 - Step 6: Final answer
x = 57,870.50
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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.