Finding the Fourth Proportional to 74,131.44, 111,203.99 and 24,211.80
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Solution
The fourth proportional to 74,131.44, 111,203.99 and 24,211.80 is: 36,319.93
Step by Step Solution
- Step 1: Write the proportion equation
74,131.44 : 111,203.99 = 24,211.80 : x - Step 2: Convert to fraction form
74,131.44/111,203.99 = 24,211.80/x - Step 3: Cross multiply
74,131.44x = 111,203.99 × 24,211.80 - Step 4: Simplify right side
74,131.44x = 2,692,448,765.08 - Step 5: Solve for x
x = 2,692,448,765.08/74,131.44 - Step 6: Final answer
x = 36,319.93
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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.