Finding the Fourth Proportional to 71,124.44, 106,692.75 and 18,533.84
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Solution
The fourth proportional to 71,124.44, 106,692.75 and 18,533.84 is: 27,802.34
Step by Step Solution
- Step 1: Write the proportion equation
71,124.44 : 106,692.75 = 18,533.84 : x - Step 2: Convert to fraction form
71,124.44/106,692.75 = 18,533.84/x - Step 3: Cross multiply
71,124.44x = 106,692.75 × 18,533.84 - Step 4: Simplify right side
71,124.44x = 1,977,425,824.20 - Step 5: Solve for x
x = 1,977,425,824.20/71,124.44 - Step 6: Final answer
x = 27,802.34
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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.