Finding the Fourth Proportional to 83,209.75, 124,814.63 and 27,805.75
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Solution
The fourth proportional to 83,209.75, 124,814.63 and 27,805.75 is: 41,708.63
Step by Step Solution
- Step 1: Write the proportion equation
83,209.75 : 124,814.63 = 27,805.75 : x - Step 2: Convert to fraction form
83,209.75/124,814.63 = 27,805.75/x - Step 3: Cross multiply
83,209.75x = 124,814.63 × 27,805.75 - Step 4: Simplify right side
83,209.75x = 3,470,564,398.12 - Step 5: Solve for x
x = 3,470,564,398.12/83,209.75 - Step 6: Final answer
x = 41,708.63
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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.