Finding the Fourth Proportional to 80,632.05, 111,254.07 and 48,794.19
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Solution
The fourth proportional to 80,632.05, 111,254.07 and 48,794.19 is: 67,324.99
Step by Step Solution
- Step 1: Write the proportion equation
80,632.05 : 111,254.07 = 48,794.19 : x - Step 2: Convert to fraction form
80,632.05/111,254.07 = 48,794.19/x - Step 3: Cross multiply
80,632.05x = 111,254.07 × 48,794.19 - Step 4: Simplify right side
80,632.05x = 5,428,552,229.85 - Step 5: Solve for x
x = 5,428,552,229.85/80,632.05 - Step 6: Final answer
x = 67,324.99
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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.