Finding the Fourth Proportional to 75,850.91, 113,778.79 and 25,928.99
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Solution
The fourth proportional to 75,850.91, 113,778.79 and 25,928.99 is: 38,894.31
Step by Step Solution
- Step 1: Write the proportion equation
75,850.91 : 113,778.79 = 25,928.99 : x - Step 2: Convert to fraction form
75,850.91/113,778.79 = 25,928.99/x - Step 3: Cross multiply
75,850.91x = 113,778.79 × 25,928.99 - Step 4: Simplify right side
75,850.91x = 2,950,168,474.41 - Step 5: Solve for x
x = 2,950,168,474.41/75,850.91 - Step 6: Final answer
x = 38,894.31
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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.