Finding the Fourth Proportional to 83,199.97, 124,709.95 and 33,225.13
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Solution
The fourth proportional to 83,199.97, 124,709.95 and 33,225.13 is: 49,801.75
Step by Step Solution
- Step 1: Write the proportion equation
83,199.97 : 124,709.95 = 33,225.13 : x - Step 2: Convert to fraction form
83,199.97/124,709.95 = 33,225.13/x - Step 3: Cross multiply
83,199.97x = 124,709.95 × 33,225.13 - Step 4: Simplify right side
83,199.97x = 4,143,504,301.04 - Step 5: Solve for x
x = 4,143,504,301.04/83,199.97 - Step 6: Final answer
x = 49,801.75
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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.