Finding the Fourth Proportional to 111,720.93, 167,528.61 and 40,593.99
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Solution
The fourth proportional to 111,720.93, 167,528.61 and 40,593.99 is: 60,871.81
Step by Step Solution
- Step 1: Write the proportion equation
111,720.93 : 167,528.61 = 40,593.99 : x - Step 2: Convert to fraction form
111,720.93/167,528.61 = 40,593.99/x - Step 3: Cross multiply
111,720.93x = 167,528.61 × 40,593.99 - Step 4: Simplify right side
111,720.93x = 6,800,654,719.05 - Step 5: Solve for x
x = 6,800,654,719.05/111,720.93 - Step 6: Final answer
x = 60,871.81
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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.