Finding the Fourth Proportional to 80,665.97, 111,317.58 and 44,855.19
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Solution
The fourth proportional to 80,665.97, 111,317.58 and 44,855.19 is: 61,899.35
Step by Step Solution
- Step 1: Write the proportion equation
80,665.97 : 111,317.58 = 44,855.19 : x - Step 2: Convert to fraction form
80,665.97/111,317.58 = 44,855.19/x - Step 3: Cross multiply
80,665.97x = 111,317.58 × 44,855.19 - Step 4: Simplify right side
80,665.97x = 4,993,171,201.24 - Step 5: Solve for x
x = 4,993,171,201.24/80,665.97 - Step 6: Final answer
x = 61,899.35
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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.