Finding the Fourth Proportional to 83,541.28, 125,299.20 and 27,387.28
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Solution
The fourth proportional to 83,541.28, 125,299.20 and 27,387.28 is: 41,076.75
Step by Step Solution
- Step 1: Write the proportion equation
83,541.28 : 125,299.20 = 27,387.28 : x - Step 2: Convert to fraction form
83,541.28/125,299.20 = 27,387.28/x - Step 3: Cross multiply
83,541.28x = 125,299.20 × 27,387.28 - Step 4: Simplify right side
83,541.28x = 3,431,604,274.18 - Step 5: Solve for x
x = 3,431,604,274.18/83,541.28 - Step 6: Final answer
x = 41,076.75
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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.