Finding the Fourth Proportional to 83,949.95, 125,894.68 and 27,779.69
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Solution
The fourth proportional to 83,949.95, 125,894.68 and 27,779.69 is: 41,659.52
Step by Step Solution
- Step 1: Write the proportion equation
83,949.95 : 125,894.68 = 27,779.69 : x - Step 2: Convert to fraction form
83,949.95/125,894.68 = 27,779.69/x - Step 3: Cross multiply
83,949.95x = 125,894.68 × 27,779.69 - Step 4: Simplify right side
83,949.95x = 3,497,314,414.68 - Step 5: Solve for x
x = 3,497,314,414.68/83,949.95 - Step 6: Final answer
x = 41,659.52
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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.