Finding the Fourth Proportional to 79,893.05, 119,725.35 and 58,666.56
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Solution
The fourth proportional to 79,893.05, 119,725.35 and 58,666.56 is: 87,915.97
Step by Step Solution
- Step 1: Write the proportion equation
79,893.05 : 119,725.35 = 58,666.56 : x - Step 2: Convert to fraction form
79,893.05/119,725.35 = 58,666.56/x - Step 3: Cross multiply
79,893.05x = 119,725.35 × 58,666.56 - Step 4: Simplify right side
79,893.05x = 7,023,874,878.27 - Step 5: Solve for x
x = 7,023,874,878.27/79,893.05 - Step 6: Final answer
x = 87,915.97
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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.