Finding the Fourth Proportional to 83,635.20, 125,412.48 and 48,584.88
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Solution
The fourth proportional to 83,635.20, 125,412.48 and 48,584.88 is: 72,853.90
Step by Step Solution
- Step 1: Write the proportion equation
83,635.20 : 125,412.48 = 48,584.88 : x - Step 2: Convert to fraction form
83,635.20/125,412.48 = 48,584.88/x - Step 3: Cross multiply
83,635.20x = 125,412.48 × 48,584.88 - Step 4: Simplify right side
83,635.20x = 6,093,150,291.30 - Step 5: Solve for x
x = 6,093,150,291.30/83,635.20 - Step 6: Final answer
x = 72,853.90
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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.