Finding the Fourth Proportional to 87,118.50, 120,204.99 and 51,295.44
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Solution
The fourth proportional to 87,118.50, 120,204.99 and 51,295.44 is: 70,776.79
Step by Step Solution
- Step 1: Write the proportion equation
87,118.50 : 120,204.99 = 51,295.44 : x - Step 2: Convert to fraction form
87,118.50/120,204.99 = 51,295.44/x - Step 3: Cross multiply
87,118.50x = 120,204.99 × 51,295.44 - Step 4: Simplify right side
87,118.50x = 6,165,967,852.25 - Step 5: Solve for x
x = 6,165,967,852.25/87,118.50 - Step 6: Final answer
x = 70,776.79
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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.