Finding the Fourth Proportional to 67,440.07, 101,156.46 and 20,692.99
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Solution
The fourth proportional to 67,440.07, 101,156.46 and 20,692.99 is: 31,038.37
Step by Step Solution
- Step 1: Write the proportion equation
67,440.07 : 101,156.46 = 20,692.99 : x - Step 2: Convert to fraction form
67,440.07/101,156.46 = 20,692.99/x - Step 3: Cross multiply
67,440.07x = 101,156.46 × 20,692.99 - Step 4: Simplify right side
67,440.07x = 2,093,229,615.22 - Step 5: Solve for x
x = 2,093,229,615.22/67,440.07 - Step 6: Final answer
x = 31,038.37
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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.