Finding the Fourth Proportional to 71,478.16, 107,226.96 and 24,734.68
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Solution
The fourth proportional to 71,478.16, 107,226.96 and 24,734.68 is: 37,105.38
Step by Step Solution
- Step 1: Write the proportion equation
71,478.16 : 107,226.96 = 24,734.68 : x - Step 2: Convert to fraction form
71,478.16/107,226.96 = 24,734.68/x - Step 3: Cross multiply
71,478.16x = 107,226.96 × 24,734.68 - Step 4: Simplify right side
71,478.16x = 2,652,224,542.97 - Step 5: Solve for x
x = 2,652,224,542.97/71,478.16 - Step 6: Final answer
x = 37,105.38
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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.