Finding the Fourth Proportional to 88,661.44, 132,991.84 and 22,101.60
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Solution
The fourth proportional to 88,661.44, 132,991.84 and 22,101.60 is: 33,152.32
Step by Step Solution
- Step 1: Write the proportion equation
88,661.44 : 132,991.84 = 22,101.60 : x - Step 2: Convert to fraction form
88,661.44/132,991.84 = 22,101.60/x - Step 3: Cross multiply
88,661.44x = 132,991.84 × 22,101.60 - Step 4: Simplify right side
88,661.44x = 2,939,332,450.94 - Step 5: Solve for x
x = 2,939,332,450.94/88,661.44 - Step 6: Final answer
x = 33,152.32
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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.