Finding the Fourth Proportional to 75,815.63, 104,591.75 and 43,966.08
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Solution
The fourth proportional to 75,815.63, 104,591.75 and 43,966.08 is: 60,653.58
Step by Step Solution
- Step 1: Write the proportion equation
75,815.63 : 104,591.75 = 43,966.08 : x - Step 2: Convert to fraction form
75,815.63/104,591.75 = 43,966.08/x - Step 3: Cross multiply
75,815.63x = 104,591.75 × 43,966.08 - Step 4: Simplify right side
75,815.63x = 4,598,489,028.01 - Step 5: Solve for x
x = 4,598,489,028.01/75,815.63 - Step 6: Final answer
x = 60,653.58
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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.