Finding the Fourth Proportional to 80,403.21, 110,963.24 and 44,604.75
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Solution
The fourth proportional to 80,403.21, 110,963.24 and 44,604.75 is: 61,558.33
Step by Step Solution
- Step 1: Write the proportion equation
80,403.21 : 110,963.24 = 44,604.75 : x - Step 2: Convert to fraction form
80,403.21/110,963.24 = 44,604.75/x - Step 3: Cross multiply
80,403.21x = 110,963.24 × 44,604.75 - Step 4: Simplify right side
80,403.21x = 4,949,487,356.37 - Step 5: Solve for x
x = 4,949,487,356.37/80,403.21 - Step 6: Final answer
x = 61,558.33
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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.