Finding the Fourth Proportional to 102,584.75, 141,455.36 and 66,708.23
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Solution
The fourth proportional to 102,584.75, 141,455.36 and 66,708.23 is: 91,984.79
Step by Step Solution
- Step 1: Write the proportion equation
102,584.75 : 141,455.36 = 66,708.23 : x - Step 2: Convert to fraction form
102,584.75/141,455.36 = 66,708.23/x - Step 3: Cross multiply
102,584.75x = 141,455.36 × 66,708.23 - Step 4: Simplify right side
102,584.75x = 9,436,236,149.11 - Step 5: Solve for x
x = 9,436,236,149.11/102,584.75 - Step 6: Final answer
x = 91,984.79
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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.