Finding the Fourth Proportional to 83,826.68, 125,755.56 and 27,670.70
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Solution
The fourth proportional to 83,826.68, 125,755.56 and 27,670.70 is: 41,511.17
Step by Step Solution
- Step 1: Write the proportion equation
83,826.68 : 125,755.56 = 27,670.70 : x - Step 2: Convert to fraction form
83,826.68/125,755.56 = 27,670.70/x - Step 3: Cross multiply
83,826.68x = 125,755.56 × 27,670.70 - Step 4: Simplify right side
83,826.68x = 3,479,743,745.31 - Step 5: Solve for x
x = 3,479,743,745.31/83,826.68 - Step 6: Final answer
x = 41,511.17
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1.5x scale
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.