Finding the Fourth Proportional to 127,119.38, 175,424.27 and 69,759.68
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Solution
The fourth proportional to 127,119.38, 175,424.27 and 69,759.68 is: 96,268.09
Step by Step Solution
- Step 1: Write the proportion equation
127,119.38 : 175,424.27 = 69,759.68 : x - Step 2: Convert to fraction form
127,119.38/175,424.27 = 69,759.68/x - Step 3: Cross multiply
127,119.38x = 175,424.27 × 69,759.68 - Step 4: Simplify right side
127,119.38x = 12,237,539,713.51 - Step 5: Solve for x
x = 12,237,539,713.51/127,119.38 - Step 6: Final answer
x = 96,268.09
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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.