Finding the Fourth Proportional to 79,689.64, 119,522.68 and 29,763.48
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Solution
The fourth proportional to 79,689.64, 119,522.68 and 29,763.48 is: 44,640.82
Step by Step Solution
- Step 1: Write the proportion equation
79,689.64 : 119,522.68 = 29,763.48 : x - Step 2: Convert to fraction form
79,689.64/119,522.68 = 29,763.48/x - Step 3: Cross multiply
79,689.64x = 119,522.68 × 29,763.48 - Step 4: Simplify right side
79,689.64x = 3,557,410,895.73 - Step 5: Solve for x
x = 3,557,410,895.73/79,689.64 - Step 6: Final answer
x = 44,640.82
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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.