Finding the Fourth Proportional to 127,126.44, 175,438.44 and 70,543.08
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Solution
The fourth proportional to 127,126.44, 175,438.44 and 70,543.08 is: 97,351.64
Step by Step Solution
- Step 1: Write the proportion equation
127,126.44 : 175,438.44 = 70,543.08 : x - Step 2: Convert to fraction form
127,126.44/175,438.44 = 70,543.08/x - Step 3: Cross multiply
127,126.44x = 175,438.44 × 70,543.08 - Step 4: Simplify right side
127,126.44x = 12,375,967,908.00 - Step 5: Solve for x
x = 12,375,967,908.00/127,126.44 - Step 6: Final answer
x = 97,351.64
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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.