Finding the Fourth Proportional to 72,793.74, 100,474.36 and 44,523.12
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Solution
The fourth proportional to 72,793.74, 100,474.36 and 44,523.12 is: 61,453.53
Step by Step Solution
- Step 1: Write the proportion equation
72,793.74 : 100,474.36 = 44,523.12 : x - Step 2: Convert to fraction form
72,793.74/100,474.36 = 44,523.12/x - Step 3: Cross multiply
72,793.74x = 100,474.36 × 44,523.12 - Step 4: Simplify right side
72,793.74x = 4,473,431,987.20 - Step 5: Solve for x
x = 4,473,431,987.20/72,793.74 - Step 6: Final answer
x = 61,453.53
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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.