Finding the Fourth Proportional to 69,306.20, 103,970.49 and 27,163.41
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Solution
The fourth proportional to 69,306.20, 103,970.49 and 27,163.41 is: 40,749.50
Step by Step Solution
- Step 1: Write the proportion equation
69,306.20 : 103,970.49 = 27,163.41 : x - Step 2: Convert to fraction form
69,306.20/103,970.49 = 27,163.41/x - Step 3: Cross multiply
69,306.20x = 103,970.49 × 27,163.41 - Step 4: Simplify right side
69,306.20x = 2,824,193,047.77 - Step 5: Solve for x
x = 2,824,193,047.77/69,306.20 - Step 6: Final answer
x = 40,749.50
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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.