Finding the Fourth Proportional to 127,961.29, 176,596.59 and 70,611.99
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Solution
The fourth proportional to 127,961.29, 176,596.59 and 70,611.99 is: 97,450.07
Step by Step Solution
- Step 1: Write the proportion equation
127,961.29 : 176,596.59 = 70,611.99 : x - Step 2: Convert to fraction form
127,961.29/176,596.59 = 70,611.99/x - Step 3: Cross multiply
127,961.29x = 176,596.59 × 70,611.99 - Step 4: Simplify right side
127,961.29x = 12,469,836,647.11 - Step 5: Solve for x
x = 12,469,836,647.11/127,961.29 - Step 6: Final answer
x = 97,450.07
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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.