Finding the Fourth Proportional to 80,692.12, 111,357.82 and 44,395.08
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Solution
The fourth proportional to 80,692.12, 111,357.82 and 44,395.08 is: 61,266.69
Step by Step Solution
- Step 1: Write the proportion equation
80,692.12 : 111,357.82 = 44,395.08 : x - Step 2: Convert to fraction form
80,692.12/111,357.82 = 44,395.08/x - Step 3: Cross multiply
80,692.12x = 111,357.82 × 44,395.08 - Step 4: Simplify right side
80,692.12x = 4,943,739,327.53 - Step 5: Solve for x
x = 4,943,739,327.53/80,692.12 - Step 6: Final answer
x = 61,266.69
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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.