Finding the Fourth Proportional to 74,170.08, 111,218.16 and 24,243.68
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Solution
The fourth proportional to 74,170.08, 111,218.16 and 24,243.68 is: 36,353.44
Step by Step Solution
- Step 1: Write the proportion equation
74,170.08 : 111,218.16 = 24,243.68 : x - Step 2: Convert to fraction form
74,170.08/111,218.16 = 24,243.68/x - Step 3: Cross multiply
74,170.08x = 111,218.16 × 24,243.68 - Step 4: Simplify right side
74,170.08x = 2,696,337,481.23 - Step 5: Solve for x
x = 2,696,337,481.23/74,170.08 - Step 6: Final answer
x = 36,353.44
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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.