Finding the Fourth Proportional to 83,754.97, 125,630.49 and 20,575.00
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Solution
The fourth proportional to 83,754.97, 125,630.49 and 20,575.00 is: 30,862.01
Step by Step Solution
- Step 1: Write the proportion equation
83,754.97 : 125,630.49 = 20,575.00 : x - Step 2: Convert to fraction form
83,754.97/125,630.49 = 20,575.00/x - Step 3: Cross multiply
83,754.97x = 125,630.49 × 20,575.00 - Step 4: Simplify right side
83,754.97x = 2,584,846,743.54 - Step 5: Solve for x
x = 2,584,846,743.54/83,754.97 - Step 6: Final answer
x = 30,862.01
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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.