Finding the Fourth Proportional to 103,626.99, 155,489.69 and 44,479.57
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Solution
The fourth proportional to 103,626.99, 155,489.69 and 44,479.57 is: 66,740.48
Step by Step Solution
- Step 1: Write the proportion equation
103,626.99 : 155,489.69 = 44,479.57 : x - Step 2: Convert to fraction form
103,626.99/155,489.69 = 44,479.57/x - Step 3: Cross multiply
103,626.99x = 155,489.69 × 44,479.57 - Step 4: Simplify right side
103,626.99x = 6,916,114,550.63 - Step 5: Solve for x
x = 6,916,114,550.63/103,626.99 - Step 6: Final answer
x = 66,740.48
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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.