Finding the Fourth Proportional to 79,361.14, 119,028.72 and 29,429.50
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Solution
The fourth proportional to 79,361.14, 119,028.72 and 29,429.50 is: 44,139.43
Step by Step Solution
- Step 1: Write the proportion equation
79,361.14 : 119,028.72 = 29,429.50 : x - Step 2: Convert to fraction form
79,361.14/119,028.72 = 29,429.50/x - Step 3: Cross multiply
79,361.14x = 119,028.72 × 29,429.50 - Step 4: Simplify right side
79,361.14x = 3,502,955,715.24 - Step 5: Solve for x
x = 3,502,955,715.24/79,361.14 - Step 6: Final answer
x = 44,139.43
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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.