Finding the Fourth Proportional to 127,126.10, 175,427.97 and 69,764.12
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Solution
The fourth proportional to 127,126.10, 175,427.97 and 69,764.12 is: 96,271.17
Step by Step Solution
- Step 1: Write the proportion equation
127,126.10 : 175,427.97 = 69,764.12 : x - Step 2: Convert to fraction form
127,126.10/175,427.97 = 69,764.12/x - Step 3: Cross multiply
127,126.10x = 175,427.97 × 69,764.12 - Step 4: Simplify right side
127,126.10x = 12,238,577,950.44 - Step 5: Solve for x
x = 12,238,577,950.44/127,126.10 - Step 6: Final answer
x = 96,271.17
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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.