Finding the Fourth Proportional to 87,359.99, 120,542.04 and 49,114.49
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Solution
The fourth proportional to 87,359.99, 120,542.04 and 49,114.49 is: 67,769.70
Step by Step Solution
- Step 1: Write the proportion equation
87,359.99 : 120,542.04 = 49,114.49 : x - Step 2: Convert to fraction form
87,359.99/120,542.04 = 49,114.49/x - Step 3: Cross multiply
87,359.99x = 120,542.04 × 49,114.49 - Step 4: Simplify right side
87,359.99x = 5,920,360,215.45 - Step 5: Solve for x
x = 5,920,360,215.45/87,359.99 - Step 6: Final answer
x = 67,769.70
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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.