Finding the Fourth Proportional to 87,627.84, 120,926.34 and 47,883.84
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Solution
The fourth proportional to 87,627.84, 120,926.34 and 47,883.84 is: 66,079.66
Step by Step Solution
- Step 1: Write the proportion equation
87,627.84 : 120,926.34 = 47,883.84 : x - Step 2: Convert to fraction form
87,627.84/120,926.34 = 47,883.84/x - Step 3: Cross multiply
87,627.84x = 120,926.34 × 47,883.84 - Step 4: Simplify right side
87,627.84x = 5,790,417,516.35 - Step 5: Solve for x
x = 5,790,417,516.35/87,627.84 - Step 6: Final answer
x = 66,079.66
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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.