Finding the Fourth Proportional to 83,575.96, 125,358.06 and 39,212.44
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Solution
The fourth proportional to 83,575.96, 125,358.06 and 39,212.44 is: 58,815.90
Step by Step Solution
- Step 1: Write the proportion equation
83,575.96 : 125,358.06 = 39,212.44 : x - Step 2: Convert to fraction form
83,575.96/125,358.06 = 39,212.44/x - Step 3: Cross multiply
83,575.96x = 125,358.06 × 39,212.44 - Step 4: Simplify right side
83,575.96x = 4,915,595,406.27 - Step 5: Solve for x
x = 4,915,595,406.27/83,575.96 - Step 6: Final answer
x = 58,815.90
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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.