Finding the Fourth Proportional to 79,839.24, 110,176.20 and 44,028.60
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Solution
The fourth proportional to 79,839.24, 110,176.20 and 44,028.60 is: 60,758.39
Step by Step Solution
- Step 1: Write the proportion equation
79,839.24 : 110,176.20 = 44,028.60 : x - Step 2: Convert to fraction form
79,839.24/110,176.20 = 44,028.60/x - Step 3: Cross multiply
79,839.24x = 110,176.20 × 44,028.60 - Step 4: Simplify right side
79,839.24x = 4,850,903,839.32 - Step 5: Solve for x
x = 4,850,903,839.32/79,839.24 - Step 6: Final answer
x = 60,758.39
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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.