Finding the Fourth Proportional to 75,446.43, 104,147.99 and 50,922.57
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Solution
The fourth proportional to 75,446.43, 104,147.99 and 50,922.57 is: 70,294.69
Step by Step Solution
- Step 1: Write the proportion equation
75,446.43 : 104,147.99 = 50,922.57 : x - Step 2: Convert to fraction form
75,446.43/104,147.99 = 50,922.57/x - Step 3: Cross multiply
75,446.43x = 104,147.99 × 50,922.57 - Step 4: Simplify right side
75,446.43x = 5,303,483,311.13 - Step 5: Solve for x
x = 5,303,483,311.13/75,446.43 - Step 6: Final answer
x = 70,294.69
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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.