Finding the Fourth Proportional to 84,369.48, 126,243.24 and 50,655.99
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Solution
The fourth proportional to 84,369.48, 126,243.24 and 50,655.99 is: 75,797.27
Step by Step Solution
- Step 1: Write the proportion equation
84,369.48 : 126,243.24 = 50,655.99 : x - Step 2: Convert to fraction form
84,369.48/126,243.24 = 50,655.99/x - Step 3: Cross multiply
84,369.48x = 126,243.24 × 50,655.99 - Step 4: Simplify right side
84,369.48x = 6,394,975,671.79 - Step 5: Solve for x
x = 6,394,975,671.79/84,369.48 - Step 6: Final answer
x = 75,797.27
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1.5x scale
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.