Finding the Fourth Proportional to 81,896.04, 122,852.84 and 22,731.96
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Solution
The fourth proportional to 81,896.04, 122,852.84 and 22,731.96 is: 34,100.38
Step by Step Solution
- Step 1: Write the proportion equation
81,896.04 : 122,852.84 = 22,731.96 : x - Step 2: Convert to fraction form
81,896.04/122,852.84 = 22,731.96/x - Step 3: Cross multiply
81,896.04x = 122,852.84 × 22,731.96 - Step 4: Simplify right side
81,896.04x = 2,792,685,844.77 - Step 5: Solve for x
x = 2,792,685,844.77/81,896.04 - Step 6: Final answer
x = 34,100.38
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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.