Finding the Fourth Proportional to 83,781.14, 125,761.24 and 33,893.85
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Solution
The fourth proportional to 83,781.14, 125,761.24 and 33,893.85 is: 50,876.99
Step by Step Solution
- Step 1: Write the proportion equation
83,781.14 : 125,761.24 = 33,893.85 : x - Step 2: Convert to fraction form
83,781.14/125,761.24 = 33,893.85/x - Step 3: Cross multiply
83,781.14x = 125,761.24 × 33,893.85 - Step 4: Simplify right side
83,781.14x = 4,262,532,604.37 - Step 5: Solve for x
x = 4,262,532,604.37/83,781.14 - Step 6: Final answer
x = 50,876.99
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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.