Finding the Fourth Proportional to 66,905.92, 100,363.74 and 22,532.68
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Solution
The fourth proportional to 66,905.92, 100,363.74 and 22,532.68 is: 33,800.66
Step by Step Solution
- Step 1: Write the proportion equation
66,905.92 : 100,363.74 = 22,532.68 : x - Step 2: Convert to fraction form
66,905.92/100,363.74 = 22,532.68/x - Step 3: Cross multiply
66,905.92x = 100,363.74 × 22,532.68 - Step 4: Simplify right side
66,905.92x = 2,261,464,037.02 - Step 5: Solve for x
x = 2,261,464,037.02/66,905.92 - Step 6: Final answer
x = 33,800.66
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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.