Finding the Fourth Proportional to 79,950.38, 119,926.17 and 27,360.32
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Solution
The fourth proportional to 79,950.38, 119,926.17 and 27,360.32 is: 41,040.68
Step by Step Solution
- Step 1: Write the proportion equation
79,950.38 : 119,926.17 = 27,360.32 : x - Step 2: Convert to fraction form
79,950.38/119,926.17 = 27,360.32/x - Step 3: Cross multiply
79,950.38x = 119,926.17 × 27,360.32 - Step 4: Simplify right side
79,950.38x = 3,281,217,787.94 - Step 5: Solve for x
x = 3,281,217,787.94/79,950.38 - Step 6: Final answer
x = 41,040.68
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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.