Finding the Fourth Proportional to 83,982.75, 115,896.18 and 46,257.00
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Solution
The fourth proportional to 83,982.75, 115,896.18 and 46,257.00 is: 63,834.65
Step by Step Solution
- Step 1: Write the proportion equation
83,982.75 : 115,896.18 = 46,257.00 : x - Step 2: Convert to fraction form
83,982.75/115,896.18 = 46,257.00/x - Step 3: Cross multiply
83,982.75x = 115,896.18 × 46,257.00 - Step 4: Simplify right side
83,982.75x = 5,361,009,134.42 - Step 5: Solve for x
x = 5,361,009,134.42/83,982.75 - Step 6: Final answer
x = 63,834.65
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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.