Finding the Fourth Proportional to 89,822.13, 134,660.12 and 33,630.75
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Solution
The fourth proportional to 89,822.13, 134,660.12 and 33,630.75 is: 50,418.76
Step by Step Solution
- Step 1: Write the proportion equation
89,822.13 : 134,660.12 = 33,630.75 : x - Step 2: Convert to fraction form
89,822.13/134,660.12 = 33,630.75/x - Step 3: Cross multiply
89,822.13x = 134,660.12 × 33,630.75 - Step 4: Simplify right side
89,822.13x = 4,528,720,662.54 - Step 5: Solve for x
x = 4,528,720,662.54/89,822.13 - Step 6: Final answer
x = 50,418.76
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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.