Finding the Fourth Proportional to 95,072.14, 131,213.28 and 54,778.18
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Solution
The fourth proportional to 95,072.14, 131,213.28 and 54,778.18 is: 75,601.80
Step by Step Solution
- Step 1: Write the proportion equation
95,072.14 : 131,213.28 = 54,778.18 : x - Step 2: Convert to fraction form
95,072.14/131,213.28 = 54,778.18/x - Step 3: Cross multiply
95,072.14x = 131,213.28 × 54,778.18 - Step 4: Simplify right side
95,072.14x = 7,187,624,670.23 - Step 5: Solve for x
x = 7,187,624,670.23/95,072.14 - Step 6: Final answer
x = 75,601.80
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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.