Finding the Fourth Proportional to 83,812.70, 125,745.29 and 27,692.24
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Solution
The fourth proportional to 83,812.70, 125,745.29 and 27,692.24 is: 41,547.02
Step by Step Solution
- Step 1: Write the proportion equation
83,812.70 : 125,745.29 = 27,692.24 : x - Step 2: Convert to fraction form
83,812.70/125,745.29 = 27,692.24/x - Step 3: Cross multiply
83,812.70x = 125,745.29 × 27,692.24 - Step 4: Simplify right side
83,812.70x = 3,482,168,190.05 - Step 5: Solve for x
x = 3,482,168,190.05/83,812.70 - Step 6: Final answer
x = 41,547.02
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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.