Finding the Fourth Proportional to 72,955.14, 100,664.09 and 44,266.94
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Solution
The fourth proportional to 72,955.14, 100,664.09 and 44,266.94 is: 61,079.88
Step by Step Solution
- Step 1: Write the proportion equation
72,955.14 : 100,664.09 = 44,266.94 : x - Step 2: Convert to fraction form
72,955.14/100,664.09 = 44,266.94/x - Step 3: Cross multiply
72,955.14x = 100,664.09 × 44,266.94 - Step 4: Simplify right side
72,955.14x = 4,456,091,232.18 - Step 5: Solve for x
x = 4,456,091,232.18/72,955.14 - Step 6: Final answer
x = 61,079.88
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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.