Finding the Fourth Proportional to 89,079.10, 122,929.21 and 48,793.54
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Solution
The fourth proportional to 89,079.10, 122,929.21 and 48,793.54 is: 67,335.11
Step by Step Solution
- Step 1: Write the proportion equation
89,079.10 : 122,929.21 = 48,793.54 : x - Step 2: Convert to fraction form
89,079.10/122,929.21 = 48,793.54/x - Step 3: Cross multiply
89,079.10x = 122,929.21 × 48,793.54 - Step 4: Simplify right side
89,079.10x = 5,998,151,325.30 - Step 5: Solve for x
x = 5,998,151,325.30/89,079.10 - Step 6: Final answer
x = 67,335.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.