Finding the Fourth Proportional to 73,474.09, 110,209.01 and 43,692.62
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Solution
The fourth proportional to 73,474.09, 110,209.01 and 43,692.62 is: 65,537.66
Step by Step Solution
- Step 1: Write the proportion equation
73,474.09 : 110,209.01 = 43,692.62 : x - Step 2: Convert to fraction form
73,474.09/110,209.01 = 43,692.62/x - Step 3: Cross multiply
73,474.09x = 110,209.01 × 43,692.62 - Step 4: Simplify right side
73,474.09x = 4,815,319,625.00 - Step 5: Solve for x
x = 4,815,319,625.00/73,474.09 - Step 6: Final answer
x = 65,537.66
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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.