Finding the Fourth Proportional to 127,986.44, 176,626.14 and 71,408.84
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Solution
The fourth proportional to 127,986.44, 176,626.14 and 71,408.84 is: 98,546.91
Step by Step Solution
- Step 1: Write the proportion equation
127,986.44 : 176,626.14 = 71,408.84 : x - Step 2: Convert to fraction form
127,986.44/176,626.14 = 71,408.84/x - Step 3: Cross multiply
127,986.44x = 176,626.14 × 71,408.84 - Step 4: Simplify right side
127,986.44x = 12,612,667,771.08 - Step 5: Solve for x
x = 12,612,667,771.08/127,986.44 - Step 6: Final answer
x = 98,546.91
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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.