Finding the Fourth Proportional to 71,245.81, 106,879.65 and 24,487.75
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Solution
The fourth proportional to 71,245.81, 106,879.65 and 24,487.75 is: 36,735.38
Step by Step Solution
- Step 1: Write the proportion equation
71,245.81 : 106,879.65 = 24,487.75 : x - Step 2: Convert to fraction form
71,245.81/106,879.65 = 24,487.75/x - Step 3: Cross multiply
71,245.81x = 106,879.65 × 24,487.75 - Step 4: Simplify right side
71,245.81x = 2,617,242,149.29 - Step 5: Solve for x
x = 2,617,242,149.29/71,245.81 - Step 6: Final answer
x = 36,735.38
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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.