Finding the Fourth Proportional to 73,921.80, 110,882.70 and 50,593.80
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Solution
The fourth proportional to 73,921.80, 110,882.70 and 50,593.80 is: 75,890.70
Step by Step Solution
- Step 1: Write the proportion equation
73,921.80 : 110,882.70 = 50,593.80 : x - Step 2: Convert to fraction form
73,921.80/110,882.70 = 50,593.80/x - Step 3: Cross multiply
73,921.80x = 110,882.70 × 50,593.80 - Step 4: Simplify right side
73,921.80x = 5,609,977,147.26 - Step 5: Solve for x
x = 5,609,977,147.26/73,921.80 - Step 6: Final answer
x = 75,890.70
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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.