Finding the Fourth Proportional to 77,183.56, 115,775.04 and 50,696.68
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Solution
The fourth proportional to 77,183.56, 115,775.04 and 50,696.68 is: 76,044.82
Step by Step Solution
- Step 1: Write the proportion equation
77,183.56 : 115,775.04 = 50,696.68 : x - Step 2: Convert to fraction form
77,183.56/115,775.04 = 50,696.68/x - Step 3: Cross multiply
77,183.56x = 115,775.04 × 50,696.68 - Step 4: Simplify right side
77,183.56x = 5,869,410,154.87 - Step 5: Solve for x
x = 5,869,410,154.87/77,183.56 - Step 6: Final answer
x = 76,044.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.