Finding the Fourth Proportional to 84,571.75, 116,679.99 and 48,247.08
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Solution
The fourth proportional to 84,571.75, 116,679.99 and 48,247.08 is: 66,564.41
Step by Step Solution
- Step 1: Write the proportion equation
84,571.75 : 116,679.99 = 48,247.08 : x - Step 2: Convert to fraction form
84,571.75/116,679.99 = 48,247.08/x - Step 3: Cross multiply
84,571.75x = 116,679.99 × 48,247.08 - Step 4: Simplify right side
84,571.75x = 5,629,468,811.93 - Step 5: Solve for x
x = 5,629,468,811.93/84,571.75 - Step 6: Final answer
x = 66,564.41
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1.5x scale
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.