Finding the Fourth Proportional to 79,940.99, 110,318.73 and 44,131.05
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Solution
The fourth proportional to 79,940.99, 110,318.73 and 44,131.05 is: 60,900.94
Step by Step Solution
- Step 1: Write the proportion equation
79,940.99 : 110,318.73 = 44,131.05 : x - Step 2: Convert to fraction form
79,940.99/110,318.73 = 44,131.05/x - Step 3: Cross multiply
79,940.99x = 110,318.73 × 44,131.05 - Step 4: Simplify right side
79,940.99x = 4,868,481,389.57 - Step 5: Solve for x
x = 4,868,481,389.57/79,940.99 - Step 6: Final answer
x = 60,900.94
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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.