Finding the Fourth Proportional to 91,202.64, 125,837.43 and 53,469.60
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Solution
The fourth proportional to 91,202.64, 125,837.43 and 53,469.60 is: 73,775.03
Step by Step Solution
- Step 1: Write the proportion equation
91,202.64 : 125,837.43 = 53,469.60 : x - Step 2: Convert to fraction form
91,202.64/125,837.43 = 53,469.60/x - Step 3: Cross multiply
91,202.64x = 125,837.43 × 53,469.60 - Step 4: Simplify right side
91,202.64x = 6,728,477,047.13 - Step 5: Solve for x
x = 6,728,477,047.13/91,202.64 - Step 6: Final answer
x = 73,775.03
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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.