Finding the Fourth Proportional to 127,759.68, 191,668.68 and 39,025.80
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Solution
The fourth proportional to 127,759.68, 191,668.68 and 39,025.80 is: 58,547.61
Step by Step Solution
- Step 1: Write the proportion equation
127,759.68 : 191,668.68 = 39,025.80 : x - Step 2: Convert to fraction form
127,759.68/191,668.68 = 39,025.80/x - Step 3: Cross multiply
127,759.68x = 191,668.68 × 39,025.80 - Step 4: Simplify right side
127,759.68x = 7,480,023,571.94 - Step 5: Solve for x
x = 7,480,023,571.94/127,759.68 - Step 6: Final answer
x = 58,547.61
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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.