Finding the Fourth Proportional to 125,770.74, 173,576.35 and 72,062.88
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Solution
The fourth proportional to 125,770.74, 173,576.35 and 72,062.88 is: 99,454.07
Step by Step Solution
- Step 1: Write the proportion equation
125,770.74 : 173,576.35 = 72,062.88 : x - Step 2: Convert to fraction form
125,770.74/173,576.35 = 72,062.88/x - Step 3: Cross multiply
125,770.74x = 173,576.35 × 72,062.88 - Step 4: Simplify right side
125,770.74x = 12,508,411,680.89 - Step 5: Solve for x
x = 12,508,411,680.89/125,770.74 - Step 6: Final answer
x = 99,454.07
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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.