Finding the Fourth Proportional to 83,568.69, 115,332.68 and 47,751.75
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Solution
The fourth proportional to 83,568.69, 115,332.68 and 47,751.75 is: 65,901.92
Step by Step Solution
- Step 1: Write the proportion equation
83,568.69 : 115,332.68 = 47,751.75 : x - Step 2: Convert to fraction form
83,568.69/115,332.68 = 47,751.75/x - Step 3: Cross multiply
83,568.69x = 115,332.68 × 47,751.75 - Step 4: Simplify right side
83,568.69x = 5,507,337,063.43 - Step 5: Solve for x
x = 5,507,337,063.43/83,568.69 - Step 6: Final answer
x = 65,901.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.