Finding the Fourth Proportional to 73,816.80, 110,692.80 and 29,428.80
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Solution
The fourth proportional to 73,816.80, 110,692.80 and 29,428.80 is: 44,130.28
Step by Step Solution
- Step 1: Write the proportion equation
73,816.80 : 110,692.80 = 29,428.80 : x - Step 2: Convert to fraction form
73,816.80/110,692.80 = 29,428.80/x - Step 3: Cross multiply
73,816.80x = 110,692.80 × 29,428.80 - Step 4: Simplify right side
73,816.80x = 3,257,556,272.64 - Step 5: Solve for x
x = 3,257,556,272.64/73,816.80 - Step 6: Final answer
x = 44,130.28
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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.