Finding the Fourth Proportional to 84,119.43, 126,202.99 and 34,235.33
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Solution
The fourth proportional to 84,119.43, 126,202.99 and 34,235.33 is: 51,362.70
Step by Step Solution
- Step 1: Write the proportion equation
84,119.43 : 126,202.99 = 34,235.33 : x - Step 2: Convert to fraction form
84,119.43/126,202.99 = 34,235.33/x - Step 3: Cross multiply
84,119.43x = 126,202.99 × 34,235.33 - Step 4: Simplify right side
84,119.43x = 4,320,601,034.78 - Step 5: Solve for x
x = 4,320,601,034.78/84,119.43 - Step 6: Final answer
x = 51,362.70
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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.