Finding the Fourth Proportional to 87,377.19, 131,105.01 and 51,907.81
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Solution
The fourth proportional to 87,377.19, 131,105.01 and 51,907.81 is: 77,885.02
Step by Step Solution
- Step 1: Write the proportion equation
87,377.19 : 131,105.01 = 51,907.81 : x - Step 2: Convert to fraction form
87,377.19/131,105.01 = 51,907.81/x - Step 3: Cross multiply
87,377.19x = 131,105.01 × 51,907.81 - Step 4: Simplify right side
87,377.19x = 6,805,373,949.13 - Step 5: Solve for x
x = 6,805,373,949.13/87,377.19 - Step 6: Final answer
x = 77,885.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.