Finding the Fourth Proportional to 94,201.57, 141,249.12 and 31,004.65
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Solution
The fourth proportional to 94,201.57, 141,249.12 and 31,004.65 is: 46,489.45
Step by Step Solution
- Step 1: Write the proportion equation
94,201.57 : 141,249.12 = 31,004.65 : x - Step 2: Convert to fraction form
94,201.57/141,249.12 = 31,004.65/x - Step 3: Cross multiply
94,201.57x = 141,249.12 × 31,004.65 - Step 4: Simplify right side
94,201.57x = 4,379,379,528.41 - Step 5: Solve for x
x = 4,379,379,528.41/94,201.57 - Step 6: Final answer
x = 46,489.45
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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.