Finding the Fourth Proportional to 83,766.87, 125,469.86 and 39,327.03
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Solution
The fourth proportional to 83,766.87, 125,469.86 and 39,327.03 is: 58,905.83
Step by Step Solution
- Step 1: Write the proportion equation
83,766.87 : 125,469.86 = 39,327.03 : x - Step 2: Convert to fraction form
83,766.87/125,469.86 = 39,327.03/x - Step 3: Cross multiply
83,766.87x = 125,469.86 × 39,327.03 - Step 4: Simplify right side
83,766.87x = 4,934,356,751.68 - Step 5: Solve for x
x = 4,934,356,751.68/83,766.87 - Step 6: Final answer
x = 58,905.83
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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.