Finding the Fourth Proportional to 67,668.21, 101,480.34 and 48,991.23
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Solution
The fourth proportional to 67,668.21, 101,480.34 and 48,991.23 is: 73,470.94
Step by Step Solution
- Step 1: Write the proportion equation
67,668.21 : 101,480.34 = 48,991.23 : x - Step 2: Convert to fraction form
67,668.21/101,480.34 = 48,991.23/x - Step 3: Cross multiply
67,668.21x = 101,480.34 × 48,991.23 - Step 4: Simplify right side
67,668.21x = 4,971,646,861.14 - Step 5: Solve for x
x = 4,971,646,861.14/67,668.21 - Step 6: Final answer
x = 73,470.94
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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.