Finding the Fourth Proportional to 80,172.99, 110,640.33 and 44,362.08
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Solution
The fourth proportional to 80,172.99, 110,640.33 and 44,362.08 is: 61,220.56
Step by Step Solution
- Step 1: Write the proportion equation
80,172.99 : 110,640.33 = 44,362.08 : x - Step 2: Convert to fraction form
80,172.99/110,640.33 = 44,362.08/x - Step 3: Cross multiply
80,172.99x = 110,640.33 × 44,362.08 - Step 4: Simplify right side
80,172.99x = 4,908,235,170.69 - Step 5: Solve for x
x = 4,908,235,170.69/80,172.99 - Step 6: Final answer
x = 61,220.56
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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.