Finding the Fourth Proportional to 94,043.23, 129,815.79 and 63,842.05
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Solution
The fourth proportional to 94,043.23, 129,815.79 and 63,842.05 is: 88,126.56
Step by Step Solution
- Step 1: Write the proportion equation
94,043.23 : 129,815.79 = 63,842.05 : x - Step 2: Convert to fraction form
94,043.23/129,815.79 = 63,842.05/x - Step 3: Cross multiply
94,043.23x = 129,815.79 × 63,842.05 - Step 4: Simplify right side
94,043.23x = 8,287,706,155.97 - Step 5: Solve for x
x = 8,287,706,155.97/94,043.23 - Step 6: Final answer
x = 88,126.56
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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.