Finding the Fourth Proportional to 113,854.43, 170,840.74 and 46,435.92
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Solution
The fourth proportional to 113,854.43, 170,840.74 and 46,435.92 is: 69,677.99
Step by Step Solution
- Step 1: Write the proportion equation
113,854.43 : 170,840.74 = 46,435.92 : x - Step 2: Convert to fraction form
113,854.43/170,840.74 = 46,435.92/x - Step 3: Cross multiply
113,854.43x = 170,840.74 × 46,435.92 - Step 4: Simplify right side
113,854.43x = 7,933,147,175.36 - Step 5: Solve for x
x = 7,933,147,175.36/113,854.43 - Step 6: Final answer
x = 69,677.99
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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.