Finding the Fourth Proportional to 75,923.87, 113,886.20 and 49,794.08
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Solution
The fourth proportional to 75,923.87, 113,886.20 and 49,794.08 is: 74,691.38
Step by Step Solution
- Step 1: Write the proportion equation
75,923.87 : 113,886.20 = 49,794.08 : x - Step 2: Convert to fraction form
75,923.87/113,886.20 = 49,794.08/x - Step 3: Cross multiply
75,923.87x = 113,886.20 × 49,794.08 - Step 4: Simplify right side
75,923.87x = 5,670,858,108.75 - Step 5: Solve for x
x = 5,670,858,108.75/75,923.87 - Step 6: Final answer
x = 74,691.38
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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.