Finding the Fourth Proportional to 73,263.36, 109,902.33 and 33,831.75
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Solution
The fourth proportional to 73,263.36, 109,902.33 and 33,831.75 is: 50,750.99
Step by Step Solution
- Step 1: Write the proportion equation
73,263.36 : 109,902.33 = 33,831.75 : x - Step 2: Convert to fraction form
73,263.36/109,902.33 = 33,831.75/x - Step 3: Cross multiply
73,263.36x = 109,902.33 × 33,831.75 - Step 4: Simplify right side
73,263.36x = 3,718,188,152.98 - Step 5: Solve for x
x = 3,718,188,152.98/73,263.36 - Step 6: Final answer
x = 50,750.99
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1.5x scale
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.