Finding the Fourth Proportional to 94,201.12, 129,999.36 and 51,757.12
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Solution
The fourth proportional to 94,201.12, 129,999.36 and 51,757.12 is: 71,425.82
Step by Step Solution
- Step 1: Write the proportion equation
94,201.12 : 129,999.36 = 51,757.12 : x - Step 2: Convert to fraction form
94,201.12/129,999.36 = 51,757.12/x - Step 3: Cross multiply
94,201.12x = 129,999.36 × 51,757.12 - Step 4: Simplify right side
94,201.12x = 6,728,392,475.44 - Step 5: Solve for x
x = 6,728,392,475.44/94,201.12 - Step 6: Final answer
x = 71,425.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.