Finding the Fourth Proportional to 83,622.70, 125,421.90 and 24,452.20
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Solution
The fourth proportional to 83,622.70, 125,421.90 and 24,452.20 is: 36,674.75
Step by Step Solution
- Step 1: Write the proportion equation
83,622.70 : 125,421.90 = 24,452.20 : x - Step 2: Convert to fraction form
83,622.70/125,421.90 = 24,452.20/x - Step 3: Cross multiply
83,622.70x = 125,421.90 × 24,452.20 - Step 4: Simplify right side
83,622.70x = 3,066,841,383.18 - Step 5: Solve for x
x = 3,066,841,383.18/83,622.70 - Step 6: Final answer
x = 36,674.75
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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.