Finding the Fourth Proportional to 84,610.94, 116,748.26 and 48,295.80
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Solution
The fourth proportional to 84,610.94, 116,748.26 and 48,295.80 is: 66,639.73
Step by Step Solution
- Step 1: Write the proportion equation
84,610.94 : 116,748.26 = 48,295.80 : x - Step 2: Convert to fraction form
84,610.94/116,748.26 = 48,295.80/x - Step 3: Cross multiply
84,610.94x = 116,748.26 × 48,295.80 - Step 4: Simplify right side
84,610.94x = 5,638,450,615.31 - Step 5: Solve for x
x = 5,638,450,615.31/84,610.94 - Step 6: Final answer
x = 66,639.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.