Finding the Fourth Proportional to 89,102.54, 122,961.44 and 48,818.82
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Solution
The fourth proportional to 89,102.54, 122,961.44 and 48,818.82 is: 67,369.94
Step by Step Solution
- Step 1: Write the proportion equation
89,102.54 : 122,961.44 = 48,818.82 : x - Step 2: Convert to fraction form
89,102.54/122,961.44 = 48,818.82/x - Step 3: Cross multiply
89,102.54x = 122,961.44 × 48,818.82 - Step 4: Simplify right side
89,102.54x = 6,002,832,406.30 - Step 5: Solve for x
x = 6,002,832,406.30/89,102.54 - Step 6: Final answer
x = 67,369.94
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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.