Finding the Fourth Proportional to 67,163.36, 100,710.36 and 19,772.31
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Solution
The fourth proportional to 67,163.36, 100,710.36 and 19,772.31 is: 29,648.26
Step by Step Solution
- Step 1: Write the proportion equation
67,163.36 : 100,710.36 = 19,772.31 : x - Step 2: Convert to fraction form
67,163.36/100,710.36 = 19,772.31/x - Step 3: Cross multiply
67,163.36x = 100,710.36 × 19,772.31 - Step 4: Simplify right side
67,163.36x = 1,991,276,458.13 - Step 5: Solve for x
x = 1,991,276,458.13/67,163.36 - Step 6: Final answer
x = 29,648.26
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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.