Finding the Fourth Proportional to 104,940.63, 144,818.55 and 59,621.09
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Solution
The fourth proportional to 104,940.63, 144,818.55 and 59,621.09 is: 82,277.37
Step by Step Solution
- Step 1: Write the proportion equation
104,940.63 : 144,818.55 = 59,621.09 : x - Step 2: Convert to fraction form
104,940.63/144,818.55 = 59,621.09/x - Step 3: Cross multiply
104,940.63x = 144,818.55 × 59,621.09 - Step 4: Simplify right side
104,940.63x = 8,634,239,079.13 - Step 5: Solve for x
x = 8,634,239,079.13/104,940.63 - Step 6: Final answer
x = 82,277.37
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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.