Finding the Fourth Proportional to 89,102.28, 122,964.84 and 48,819.54
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Solution
The fourth proportional to 89,102.28, 122,964.84 and 48,819.54 is: 67,372.99
Step by Step Solution
- Step 1: Write the proportion equation
89,102.28 : 122,964.84 = 48,819.54 : x - Step 2: Convert to fraction form
89,102.28/122,964.84 = 48,819.54/x - Step 3: Cross multiply
89,102.28x = 122,964.84 × 48,819.54 - Step 4: Simplify right side
89,102.28x = 6,003,086,924.97 - Step 5: Solve for x
x = 6,003,086,924.97/89,102.28 - Step 6: Final answer
x = 67,372.99
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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.