Finding the Fourth Proportional to 73,442.50, 110,163.48 and 20,851.99
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Solution
The fourth proportional to 73,442.50, 110,163.48 and 20,851.99 is: 31,277.91
Step by Step Solution
- Step 1: Write the proportion equation
73,442.50 : 110,163.48 = 20,851.99 : x - Step 2: Convert to fraction form
73,442.50/110,163.48 = 20,851.99/x - Step 3: Cross multiply
73,442.50x = 110,163.48 × 20,851.99 - Step 4: Simplify right side
73,442.50x = 2,297,127,783.33 - Step 5: Solve for x
x = 2,297,127,783.33/73,442.50 - Step 6: Final answer
x = 31,277.91
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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.