Finding the Fourth Proportional to 77,143.35, 115,692.35 and 32,769.75
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Solution
The fourth proportional to 77,143.35, 115,692.35 and 32,769.75 is: 49,144.99
Step by Step Solution
- Step 1: Write the proportion equation
77,143.35 : 115,692.35 = 32,769.75 : x - Step 2: Convert to fraction form
77,143.35/115,692.35 = 32,769.75/x - Step 3: Cross multiply
77,143.35x = 115,692.35 × 32,769.75 - Step 4: Simplify right side
77,143.35x = 3,791,209,222.56 - Step 5: Solve for x
x = 3,791,209,222.56/77,143.35 - Step 6: Final answer
x = 49,144.99
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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.