Finding the Fourth Proportional to 87,595.07, 120,882.11 and 49,871.75
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Solution
The fourth proportional to 87,595.07, 120,882.11 and 49,871.75 is: 68,823.53
Step by Step Solution
- Step 1: Write the proportion equation
87,595.07 : 120,882.11 = 49,871.75 : x - Step 2: Convert to fraction form
87,595.07/120,882.11 = 49,871.75/x - Step 3: Cross multiply
87,595.07x = 120,882.11 × 49,871.75 - Step 4: Simplify right side
87,595.07x = 6,028,601,515.62 - Step 5: Solve for x
x = 6,028,601,515.62/87,595.07 - Step 6: Final answer
x = 68,823.53
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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.