Finding the Fourth Proportional to 125,786.56, 173,585.88 and 68,425.84
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Solution
The fourth proportional to 125,786.56, 173,585.88 and 68,425.84 is: 94,427.89
Step by Step Solution
- Step 1: Write the proportion equation
125,786.56 : 173,585.88 = 68,425.84 : x - Step 2: Convert to fraction form
125,786.56/173,585.88 = 68,425.84/x - Step 3: Cross multiply
125,786.56x = 173,585.88 × 68,425.84 - Step 4: Simplify right side
125,786.56x = 11,877,759,651.14 - Step 5: Solve for x
x = 11,877,759,651.14/125,786.56 - Step 6: Final answer
x = 94,427.89
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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.