Finding the Fourth Proportional to 109,792.44, 164,561.49 and 50,503.68
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Solution
The fourth proportional to 109,792.44, 164,561.49 and 50,503.68 is: 75,697.02
Step by Step Solution
- Step 1: Write the proportion equation
109,792.44 : 164,561.49 = 50,503.68 : x - Step 2: Convert to fraction form
109,792.44/164,561.49 = 50,503.68/x - Step 3: Cross multiply
109,792.44x = 164,561.49 × 50,503.68 - Step 4: Simplify right side
109,792.44x = 8,310,960,831.28 - Step 5: Solve for x
x = 8,310,960,831.28/109,792.44 - Step 6: Final answer
x = 75,697.02
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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.