Finding the Fourth Proportional to 87,855.84, 121,227.84 and 50,124.96
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Solution
The fourth proportional to 87,855.84, 121,227.84 and 50,124.96 is: 69,164.90
Step by Step Solution
- Step 1: Write the proportion equation
87,855.84 : 121,227.84 = 50,124.96 : x - Step 2: Convert to fraction form
87,855.84/121,227.84 = 50,124.96/x - Step 3: Cross multiply
87,855.84x = 121,227.84 × 50,124.96 - Step 4: Simplify right side
87,855.84x = 6,076,540,630.89 - Step 5: Solve for x
x = 6,076,540,630.89/87,855.84 - Step 6: Final answer
x = 69,164.90
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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.