Finding the Fourth Proportional to 84,942.97, 127,137.17 and 62,447.67
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Solution
The fourth proportional to 84,942.97, 127,137.17 and 62,447.67 is: 93,467.66
Step by Step Solution
- Step 1: Write the proportion equation
84,942.97 : 127,137.17 = 62,447.67 : x - Step 2: Convert to fraction form
84,942.97/127,137.17 = 62,447.67/x - Step 3: Cross multiply
84,942.97x = 127,137.17 × 62,447.67 - Step 4: Simplify right side
84,942.97x = 7,939,420,193.01 - Step 5: Solve for x
x = 7,939,420,193.01/84,942.97 - Step 6: Final answer
x = 93,467.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.