Finding the Fourth Proportional to 73,692.60, 110,474.10 and 44,122.20
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Solution
The fourth proportional to 73,692.60, 110,474.10 and 44,122.20 is: 66,144.50
Step by Step Solution
- Step 1: Write the proportion equation
73,692.60 : 110,474.10 = 44,122.20 : x - Step 2: Convert to fraction form
73,692.60/110,474.10 = 44,122.20/x - Step 3: Cross multiply
73,692.60x = 110,474.10 × 44,122.20 - Step 4: Simplify right side
73,692.60x = 4,874,360,335.02 - Step 5: Solve for x
x = 4,874,360,335.02/73,692.60 - Step 6: Final answer
x = 66,144.50
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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.