Finding the Fourth Proportional to 86,793.14, 119,768.87 and 48,546.06
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Solution
The fourth proportional to 86,793.14, 119,768.87 and 48,546.06 is: 66,990.40
Step by Step Solution
- Step 1: Write the proportion equation
86,793.14 : 119,768.87 = 48,546.06 : x - Step 2: Convert to fraction form
86,793.14/119,768.87 = 48,546.06/x - Step 3: Cross multiply
86,793.14x = 119,768.87 × 48,546.06 - Step 4: Simplify right side
86,793.14x = 5,814,306,749.15 - Step 5: Solve for x
x = 5,814,306,749.15/86,793.14 - Step 6: Final answer
x = 66,990.40
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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.