Finding the Fourth Proportional to 67,226.60, 100,708.68 and 40,865.96
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Solution
The fourth proportional to 67,226.60, 100,708.68 and 40,865.96 is: 61,219.17
Step by Step Solution
- Step 1: Write the proportion equation
67,226.60 : 100,708.68 = 40,865.96 : x - Step 2: Convert to fraction form
67,226.60/100,708.68 = 40,865.96/x - Step 3: Cross multiply
67,226.60x = 100,708.68 × 40,865.96 - Step 4: Simplify right side
67,226.60x = 4,115,556,888.53 - Step 5: Solve for x
x = 4,115,556,888.53/67,226.60 - Step 6: Final answer
x = 61,219.17
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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.