Finding the Fourth Proportional to 125,913.27, 173,770.88 and 69,335.31
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Solution
The fourth proportional to 125,913.27, 173,770.88 and 69,335.31 is: 95,688.54
Step by Step Solution
- Step 1: Write the proportion equation
125,913.27 : 173,770.88 = 69,335.31 : x - Step 2: Convert to fraction form
125,913.27/173,770.88 = 69,335.31/x - Step 3: Cross multiply
125,913.27x = 173,770.88 × 69,335.31 - Step 4: Simplify right side
125,913.27x = 12,048,457,487.10 - Step 5: Solve for x
x = 12,048,457,487.10/125,913.27 - Step 6: Final answer
x = 95,688.54
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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.