Finding the Fourth Proportional to 125,905.56, 173,759.49 and 69,327.06
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Solution
The fourth proportional to 125,905.56, 173,759.49 and 69,327.06 is: 95,676.75
Step by Step Solution
- Step 1: Write the proportion equation
125,905.56 : 173,759.49 = 69,327.06 : x - Step 2: Convert to fraction form
125,905.56/173,759.49 = 69,327.06/x - Step 3: Cross multiply
125,905.56x = 173,759.49 × 69,327.06 - Step 4: Simplify right side
125,905.56x = 12,046,234,588.80 - Step 5: Solve for x
x = 12,046,234,588.80/125,905.56 - Step 6: Final answer
x = 95,676.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.