Finding the Fourth Proportional to 75,793.19, 113,656.77 and 21,745.95
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Solution
The fourth proportional to 75,793.19, 113,656.77 and 21,745.95 is: 32,609.45
Step by Step Solution
- Step 1: Write the proportion equation
75,793.19 : 113,656.77 = 21,745.95 : x - Step 2: Convert to fraction form
75,793.19/113,656.77 = 21,745.95/x - Step 3: Cross multiply
75,793.19x = 113,656.77 × 21,745.95 - Step 4: Simplify right side
75,793.19x = 2,471,574,437.58 - Step 5: Solve for x
x = 2,471,574,437.58/75,793.19 - Step 6: Final answer
x = 32,609.45
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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.