Finding the Fourth Proportional to 71,542.60, 107,328.30 and 24,785.80
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Solution
The fourth proportional to 71,542.60, 107,328.30 and 24,785.80 is: 37,183.69
Step by Step Solution
- Step 1: Write the proportion equation
71,542.60 : 107,328.30 = 24,785.80 : x - Step 2: Convert to fraction form
71,542.60/107,328.30 = 24,785.80/x - Step 3: Cross multiply
71,542.60x = 107,328.30 × 24,785.80 - Step 4: Simplify right side
71,542.60x = 2,660,217,778.14 - Step 5: Solve for x
x = 2,660,217,778.14/71,542.60 - Step 6: Final answer
x = 37,183.69
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1.5x scale
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.