Finding the Fourth Proportional to 79,435.62, 119,170.56 and 26,843.94
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Solution
The fourth proportional to 79,435.62, 119,170.56 and 26,843.94 is: 40,271.70
Step by Step Solution
- Step 1: Write the proportion equation
79,435.62 : 119,170.56 = 26,843.94 : x - Step 2: Convert to fraction form
79,435.62/119,170.56 = 26,843.94/x - Step 3: Cross multiply
79,435.62x = 119,170.56 × 26,843.94 - Step 4: Simplify right side
79,435.62x = 3,199,007,362.41 - Step 5: Solve for x
x = 3,199,007,362.41/79,435.62 - Step 6: Final answer
x = 40,271.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.