Finding the Fourth Proportional to 83,821.44, 125,716.16 and 24,659.84
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Solution
The fourth proportional to 83,821.44, 125,716.16 and 24,659.84 is: 36,985.05
Step by Step Solution
- Step 1: Write the proportion equation
83,821.44 : 125,716.16 = 24,659.84 : x - Step 2: Convert to fraction form
83,821.44/125,716.16 = 24,659.84/x - Step 3: Cross multiply
83,821.44x = 125,716.16 × 24,659.84 - Step 4: Simplify right side
83,821.44x = 3,100,140,391.01 - Step 5: Solve for x
x = 3,100,140,391.01/83,821.44 - Step 6: Final answer
x = 36,985.05
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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.