Finding the Fourth Proportional to 115,628.94, 173,440.71 and 53,299.44
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Solution
The fourth proportional to 115,628.94, 173,440.71 and 53,299.44 is: 79,947.92
Step by Step Solution
- Step 1: Write the proportion equation
115,628.94 : 173,440.71 = 53,299.44 : x - Step 2: Convert to fraction form
115,628.94/173,440.71 = 53,299.44/x - Step 3: Cross multiply
115,628.94x = 173,440.71 × 53,299.44 - Step 4: Simplify right side
115,628.94x = 9,244,292,716.20 - Step 5: Solve for x
x = 9,244,292,716.20/115,628.94 - Step 6: Final answer
x = 79,947.92
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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.