Finding the Fourth Proportional to 74,013.40, 111,021.16 and 24,093.76
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Solution
The fourth proportional to 74,013.40, 111,021.16 and 24,093.76 is: 36,140.99
Step by Step Solution
- Step 1: Write the proportion equation
74,013.40 : 111,021.16 = 24,093.76 : x - Step 2: Convert to fraction form
74,013.40/111,021.16 = 24,093.76/x - Step 3: Cross multiply
74,013.40x = 111,021.16 × 24,093.76 - Step 4: Simplify right side
74,013.40x = 2,674,917,183.96 - Step 5: Solve for x
x = 2,674,917,183.96/74,013.40 - Step 6: Final answer
x = 36,140.99
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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.