Finding the Fourth Proportional to 88,509.44, 122,143.08 and 48,765.44
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Solution
The fourth proportional to 88,509.44, 122,143.08 and 48,765.44 is: 67,296.34
Step by Step Solution
- Step 1: Write the proportion equation
88,509.44 : 122,143.08 = 48,765.44 : x - Step 2: Convert to fraction form
88,509.44/122,143.08 = 48,765.44/x - Step 3: Cross multiply
88,509.44x = 122,143.08 × 48,765.44 - Step 4: Simplify right side
88,509.44x = 5,956,361,039.16 - Step 5: Solve for x
x = 5,956,361,039.16/88,509.44 - Step 6: Final answer
x = 67,296.34
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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.