Finding the Fourth Proportional to 67,331.60, 100,850.52 and 55,512.08
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Solution
The fourth proportional to 67,331.60, 100,850.52 and 55,512.08 is: 83,147.02
Step by Step Solution
- Step 1: Write the proportion equation
67,331.60 : 100,850.52 = 55,512.08 : x - Step 2: Convert to fraction form
67,331.60/100,850.52 = 55,512.08/x - Step 3: Cross multiply
67,331.60x = 100,850.52 × 55,512.08 - Step 4: Simplify right side
67,331.60x = 5,598,422,134.28 - Step 5: Solve for x
x = 5,598,422,134.28/67,331.60 - Step 6: Final answer
x = 83,147.02
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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.