Finding the Fourth Proportional to 88,486.60, 122,113.56 and 48,202.60
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Solution
The fourth proportional to 88,486.60, 122,113.56 and 48,202.60 is: 66,520.71
Step by Step Solution
- Step 1: Write the proportion equation
88,486.60 : 122,113.56 = 48,202.60 : x - Step 2: Convert to fraction form
88,486.60/122,113.56 = 48,202.60/x - Step 3: Cross multiply
88,486.60x = 122,113.56 × 48,202.60 - Step 4: Simplify right side
88,486.60x = 5,886,191,087.26 - Step 5: Solve for x
x = 5,886,191,087.26/88,486.60 - Step 6: Final answer
x = 66,520.71
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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.