Finding the Fourth Proportional to 75,520.24, 113,294.94 and 40,499.08
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Solution
The fourth proportional to 75,520.24, 113,294.94 and 40,499.08 is: 60,756.44
Step by Step Solution
- Step 1: Write the proportion equation
75,520.24 : 113,294.94 = 40,499.08 : x - Step 2: Convert to fraction form
75,520.24/113,294.94 = 40,499.08/x - Step 3: Cross multiply
75,520.24x = 113,294.94 × 40,499.08 - Step 4: Simplify right side
75,520.24x = 4,588,340,838.66 - Step 5: Solve for x
x = 4,588,340,838.66/75,520.24 - Step 6: Final answer
x = 60,756.44
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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.