Finding the Fourth Proportional to 67,037.76, 100,555.34 and 27,055.68
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Solution
The fourth proportional to 67,037.76, 100,555.34 and 27,055.68 is: 40,582.99
Step by Step Solution
- Step 1: Write the proportion equation
67,037.76 : 100,555.34 = 27,055.68 : x - Step 2: Convert to fraction form
67,037.76/100,555.34 = 27,055.68/x - Step 3: Cross multiply
67,037.76x = 100,555.34 × 27,055.68 - Step 4: Simplify right side
67,037.76x = 2,720,592,966.05 - Step 5: Solve for x
x = 2,720,592,966.05/67,037.76 - Step 6: Final answer
x = 40,582.99
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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.