Finding the Fourth Proportional to 127,129.44, 175,442.58 and 70,546.08
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Solution
The fourth proportional to 127,129.44, 175,442.58 and 70,546.08 is: 97,355.78
Step by Step Solution
- Step 1: Write the proportion equation
127,129.44 : 175,442.58 = 70,546.08 : x - Step 2: Convert to fraction form
127,129.44/175,442.58 = 70,546.08/x - Step 3: Cross multiply
127,129.44x = 175,442.58 × 70,546.08 - Step 4: Simplify right side
127,129.44x = 12,376,786,284.09 - Step 5: Solve for x
x = 12,376,786,284.09/127,129.44 - Step 6: Final answer
x = 97,355.78
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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.