Finding the Fourth Proportional to 80,013.99, 110,418.47 and 44,201.66
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Solution
The fourth proportional to 80,013.99, 110,418.47 and 44,201.66 is: 60,997.83
Step by Step Solution
- Step 1: Write the proportion equation
80,013.99 : 110,418.47 = 44,201.66 : x - Step 2: Convert to fraction form
80,013.99/110,418.47 = 44,201.66/x - Step 3: Cross multiply
80,013.99x = 110,418.47 × 44,201.66 - Step 4: Simplify right side
80,013.99x = 4,880,679,668.66 - Step 5: Solve for x
x = 4,880,679,668.66/80,013.99 - Step 6: Final answer
x = 60,997.83
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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.