Finding the Fourth Proportional to 111,516.09, 153,893.34 and 60,529.26
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Solution
The fourth proportional to 111,516.09, 153,893.34 and 60,529.26 is: 83,531.00
Step by Step Solution
- Step 1: Write the proportion equation
111,516.09 : 153,893.34 = 60,529.26 : x - Step 2: Convert to fraction form
111,516.09/153,893.34 = 60,529.26/x - Step 3: Cross multiply
111,516.09x = 153,893.34 × 60,529.26 - Step 4: Simplify right side
111,516.09x = 9,315,049,989.13 - Step 5: Solve for x
x = 9,315,049,989.13/111,516.09 - Step 6: Final answer
x = 83,531.00
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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.