Finding the Fourth Proportional to 87,338.88, 131,065.68 and 47,923.68
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Solution
The fourth proportional to 87,338.88, 131,065.68 and 47,923.68 is: 71,916.99
Step by Step Solution
- Step 1: Write the proportion equation
87,338.88 : 131,065.68 = 47,923.68 : x - Step 2: Convert to fraction form
87,338.88/131,065.68 = 47,923.68/x - Step 3: Cross multiply
87,338.88x = 131,065.68 × 47,923.68 - Step 4: Simplify right side
87,338.88x = 6,281,149,707.30 - Step 5: Solve for x
x = 6,281,149,707.30/87,338.88 - Step 6: Final answer
x = 71,916.99
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1.5x scale
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.