Finding the Fourth Proportional to 72,541.13, 108,794.68 and 35,082.68
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Solution
The fourth proportional to 72,541.13, 108,794.68 and 35,082.68 is: 52,615.79
Step by Step Solution
- Step 1: Write the proportion equation
72,541.13 : 108,794.68 = 35,082.68 : x - Step 2: Convert to fraction form
72,541.13/108,794.68 = 35,082.68/x - Step 3: Cross multiply
72,541.13x = 108,794.68 × 35,082.68 - Step 4: Simplify right side
72,541.13x = 3,816,808,944.14 - Step 5: Solve for x
x = 3,816,808,944.14/72,541.13 - Step 6: Final answer
x = 52,615.79
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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.