Finding the Fourth Proportional to 125,817.46, 173,628.07 and 69,228.84
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Solution
The fourth proportional to 125,817.46, 173,628.07 and 69,228.84 is: 95,535.79
Step by Step Solution
- Step 1: Write the proportion equation
125,817.46 : 173,628.07 = 69,228.84 : x - Step 2: Convert to fraction form
125,817.46/173,628.07 = 69,228.84/x - Step 3: Cross multiply
125,817.46x = 173,628.07 × 69,228.84 - Step 4: Simplify right side
125,817.46x = 12,020,069,877.54 - Step 5: Solve for x
x = 12,020,069,877.54/125,817.46 - Step 6: Final answer
x = 95,535.79
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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.