Finding the Fourth Proportional to 83,268.50, 114,912.36 and 45,542.75
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Solution
The fourth proportional to 83,268.50, 114,912.36 and 45,542.75 is: 62,849.99
Step by Step Solution
- Step 1: Write the proportion equation
83,268.50 : 114,912.36 = 45,542.75 : x - Step 2: Convert to fraction form
83,268.50/114,912.36 = 45,542.75/x - Step 3: Cross multiply
83,268.50x = 114,912.36 × 45,542.75 - Step 4: Simplify right side
83,268.50x = 5,233,424,655.68 - Step 5: Solve for x
x = 5,233,424,655.68/83,268.50 - Step 6: Final answer
x = 62,849.99
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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.