Finding the Fourth Proportional to 83,801.75, 125,675.62 and 27,628.79
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Solution
The fourth proportional to 83,801.75, 125,675.62 and 27,628.79 is: 41,434.28
Step by Step Solution
- Step 1: Write the proportion equation
83,801.75 : 125,675.62 = 27,628.79 : x - Step 2: Convert to fraction form
83,801.75/125,675.62 = 27,628.79/x - Step 3: Cross multiply
83,801.75x = 125,675.62 × 27,628.79 - Step 4: Simplify right side
83,801.75x = 3,472,264,615.65 - Step 5: Solve for x
x = 3,472,264,615.65/83,801.75 - Step 6: Final answer
x = 41,434.28
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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.