Finding the Fourth Proportional to 127,475.56, 175,913.94 and 70,886.44
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Solution
The fourth proportional to 127,475.56, 175,913.94 and 70,886.44 is: 97,821.99
Step by Step Solution
- Step 1: Write the proportion equation
127,475.56 : 175,913.94 = 70,886.44 : x - Step 2: Convert to fraction form
127,475.56/175,913.94 = 70,886.44/x - Step 3: Cross multiply
127,475.56x = 175,913.94 × 70,886.44 - Step 4: Simplify right side
127,475.56x = 12,469,912,952.97 - Step 5: Solve for x
x = 12,469,912,952.97/127,475.56 - Step 6: Final answer
x = 97,821.99
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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.