Finding the Fourth Proportional to 79,787.60, 119,684.43 and 29,862.44
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Solution
The fourth proportional to 79,787.60, 119,684.43 and 29,862.44 is: 44,794.79
Step by Step Solution
- Step 1: Write the proportion equation
79,787.60 : 119,684.43 = 29,862.44 : x - Step 2: Convert to fraction form
79,787.60/119,684.43 = 29,862.44/x - Step 3: Cross multiply
79,787.60x = 119,684.43 × 29,862.44 - Step 4: Simplify right side
79,787.60x = 3,574,068,511.39 - Step 5: Solve for x
x = 3,574,068,511.39/79,787.60 - Step 6: Final answer
x = 44,794.79
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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.