Finding the Fourth Proportional to 75,910.36, 113,865.68 and 23,319.49
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Solution
The fourth proportional to 75,910.36, 113,865.68 and 23,319.49 is: 34,979.28
Step by Step Solution
- Step 1: Write the proportion equation
75,910.36 : 113,865.68 = 23,319.49 : x - Step 2: Convert to fraction form
75,910.36/113,865.68 = 23,319.49/x - Step 3: Cross multiply
75,910.36x = 113,865.68 × 23,319.49 - Step 4: Simplify right side
75,910.36x = 2,655,289,586.10 - Step 5: Solve for x
x = 2,655,289,586.10/75,910.36 - Step 6: Final answer
x = 34,979.28
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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.