Finding the Fourth Proportional to 80,433.39, 111,011.40 and 44,634.99
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Solution
The fourth proportional to 80,433.39, 111,011.40 and 44,634.99 is: 61,603.68
Step by Step Solution
- Step 1: Write the proportion equation
80,433.39 : 111,011.40 = 44,634.99 : x - Step 2: Convert to fraction form
80,433.39/111,011.40 = 44,634.99/x - Step 3: Cross multiply
80,433.39x = 111,011.40 × 44,634.99 - Step 4: Simplify right side
80,433.39x = 4,954,992,728.89 - Step 5: Solve for x
x = 4,954,992,728.89/80,433.39 - Step 6: Final answer
x = 61,603.68
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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.