Finding the Fourth Proportional to 89,083.44, 122,931.84 and 48,797.54
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Solution
The fourth proportional to 89,083.44, 122,931.84 and 48,797.54 is: 67,338.79
Step by Step Solution
- Step 1: Write the proportion equation
89,083.44 : 122,931.84 = 48,797.54 : x - Step 2: Convert to fraction form
89,083.44/122,931.84 = 48,797.54/x - Step 3: Cross multiply
89,083.44x = 122,931.84 × 48,797.54 - Step 4: Simplify right side
89,083.44x = 5,998,770,887.01 - Step 5: Solve for x
x = 5,998,770,887.01/89,083.44 - Step 6: Final answer
x = 67,338.79
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1.5x scale
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.