Finding the Fourth Proportional to 87,144.99, 120,250.20 and 48,899.53
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Solution
The fourth proportional to 87,144.99, 120,250.20 and 48,899.53 is: 67,475.80
Step by Step Solution
- Step 1: Write the proportion equation
87,144.99 : 120,250.20 = 48,899.53 : x - Step 2: Convert to fraction form
87,144.99/120,250.20 = 48,899.53/x - Step 3: Cross multiply
87,144.99x = 120,250.20 × 48,899.53 - Step 4: Simplify right side
87,144.99x = 5,880,178,262.41 - Step 5: Solve for x
x = 5,880,178,262.41/87,144.99 - Step 6: Final answer
x = 67,475.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.