Finding the Fourth Proportional to 74,073.96, 111,073.11 and 24,121.98
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Solution
The fourth proportional to 74,073.96, 111,073.11 and 24,121.98 is: 36,170.65
Step by Step Solution
- Step 1: Write the proportion equation
74,073.96 : 111,073.11 = 24,121.98 : x - Step 2: Convert to fraction form
74,073.96/111,073.11 = 24,121.98/x - Step 3: Cross multiply
74,073.96x = 111,073.11 × 24,121.98 - Step 4: Simplify right side
74,073.96x = 2,679,303,337.96 - Step 5: Solve for x
x = 2,679,303,337.96/74,073.96 - Step 6: Final answer
x = 36,170.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.