Finding the Fourth Proportional to 75,758.94, 113,598.36 and 33,620.70
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Solution
The fourth proportional to 75,758.94, 113,598.36 and 33,620.70 is: 50,413.28
Step by Step Solution
- Step 1: Write the proportion equation
75,758.94 : 113,598.36 = 33,620.70 : x - Step 2: Convert to fraction form
75,758.94/113,598.36 = 33,620.70/x - Step 3: Cross multiply
75,758.94x = 113,598.36 × 33,620.70 - Step 4: Simplify right side
75,758.94x = 3,819,256,382.05 - Step 5: Solve for x
x = 3,819,256,382.05/75,758.94 - Step 6: Final answer
x = 50,413.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.