Finding the Fourth Proportional to 75,974.92, 114,011.26 and 40,938.92
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Solution
The fourth proportional to 75,974.92, 114,011.26 and 40,938.92 is: 61,434.72
Step by Step Solution
- Step 1: Write the proportion equation
75,974.92 : 114,011.26 = 40,938.92 : x - Step 2: Convert to fraction form
75,974.92/114,011.26 = 40,938.92/x - Step 3: Cross multiply
75,974.92x = 114,011.26 × 40,938.92 - Step 4: Simplify right side
75,974.92x = 4,667,497,852.24 - Step 5: Solve for x
x = 4,667,497,852.24/75,974.92 - Step 6: Final answer
x = 61,434.72
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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.