Finding the Fourth Proportional to 79,396.34, 119,107.47 and 29,476.58
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Solution
The fourth proportional to 79,396.34, 119,107.47 and 29,476.58 is: 44,219.68
Step by Step Solution
- Step 1: Write the proportion equation
79,396.34 : 119,107.47 = 29,476.58 : x - Step 2: Convert to fraction form
79,396.34/119,107.47 = 29,476.58/x - Step 3: Cross multiply
79,396.34x = 119,107.47 × 29,476.58 - Step 4: Simplify right side
79,396.34x = 3,510,880,868.05 - Step 5: Solve for x
x = 3,510,880,868.05/79,396.34 - Step 6: Final answer
x = 44,219.68
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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.