Finding the Fourth Proportional to 83,532.46, 115,267.67 and 47,232.13
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Solution
The fourth proportional to 83,532.46, 115,267.67 and 47,232.13 is: 65,176.31
Step by Step Solution
- Step 1: Write the proportion equation
83,532.46 : 115,267.67 = 47,232.13 : x - Step 2: Convert to fraction form
83,532.46/115,267.67 = 47,232.13/x - Step 3: Cross multiply
83,532.46x = 115,267.67 × 47,232.13 - Step 4: Simplify right side
83,532.46x = 5,444,337,574.24 - Step 5: Solve for x
x = 5,444,337,574.24/83,532.46 - Step 6: Final answer
x = 65,176.31
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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.