Finding the Fourth Proportional to 88,660.44, 122,353.74 and 54,210.33
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Solution
The fourth proportional to 88,660.44, 122,353.74 and 54,210.33 is: 74,811.68
Step by Step Solution
- Step 1: Write the proportion equation
88,660.44 : 122,353.74 = 54,210.33 : x - Step 2: Convert to fraction form
88,660.44/122,353.74 = 54,210.33/x - Step 3: Cross multiply
88,660.44x = 122,353.74 × 54,210.33 - Step 4: Simplify right side
88,660.44x = 6,632,836,622.13 - Step 5: Solve for x
x = 6,632,836,622.13/88,660.44 - Step 6: Final answer
x = 74,811.68
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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.