Finding the Fourth Proportional to 125,845.18, 173,669.79 and 69,260.02
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Solution
The fourth proportional to 125,845.18, 173,669.79 and 69,260.02 is: 95,580.72
Step by Step Solution
- Step 1: Write the proportion equation
125,845.18 : 173,669.79 = 69,260.02 : x - Step 2: Convert to fraction form
125,845.18/173,669.79 = 69,260.02/x - Step 3: Cross multiply
125,845.18x = 173,669.79 × 69,260.02 - Step 4: Simplify right side
125,845.18x = 12,028,373,128.80 - Step 5: Solve for x
x = 12,028,373,128.80/125,845.18 - Step 6: Final answer
x = 95,580.72
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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.