Finding the Fourth Proportional to 89,942.08, 134,889.60 and 26,745.19
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Solution
The fourth proportional to 89,942.08, 134,889.60 and 26,745.19 is: 40,110.79
Step by Step Solution
- Step 1: Write the proportion equation
89,942.08 : 134,889.60 = 26,745.19 : x - Step 2: Convert to fraction form
89,942.08/134,889.60 = 26,745.19/x - Step 3: Cross multiply
89,942.08x = 134,889.60 × 26,745.19 - Step 4: Simplify right side
89,942.08x = 3,607,647,981.02 - Step 5: Solve for x
x = 3,607,647,981.02/89,942.08 - Step 6: Final answer
x = 40,110.79
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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.