Finding the Fourth Proportional to 83,268.99, 114,883.25 and 47,433.65
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Solution
The fourth proportional to 83,268.99, 114,883.25 and 47,433.65 is: 65,442.50
Step by Step Solution
- Step 1: Write the proportion equation
83,268.99 : 114,883.25 = 47,433.65 : x - Step 2: Convert to fraction form
83,268.99/114,883.25 = 47,433.65/x - Step 3: Cross multiply
83,268.99x = 114,883.25 × 47,433.65 - Step 4: Simplify right side
83,268.99x = 5,449,331,059.78 - Step 5: Solve for x
x = 5,449,331,059.78/83,268.99 - Step 6: Final answer
x = 65,442.50
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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.