Finding the Fourth Proportional to 127,347.36, 175,729.07 and 73,635.86
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Solution
The fourth proportional to 127,347.36, 175,729.07 and 73,635.86 is: 101,611.53
Step by Step Solution
- Step 1: Write the proportion equation
127,347.36 : 175,729.07 = 73,635.86 : x - Step 2: Convert to fraction form
127,347.36/175,729.07 = 73,635.86/x - Step 3: Cross multiply
127,347.36x = 175,729.07 × 73,635.86 - Step 4: Simplify right side
127,347.36x = 12,939,959,949.63 - Step 5: Solve for x
x = 12,939,959,949.63/127,347.36 - Step 6: Final answer
x = 101,611.53
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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.