Finding the Fourth Proportional to 76,664.97, 115,011.99 and 26,759.34
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Solution
The fourth proportional to 76,664.97, 115,011.99 and 26,759.34 is: 40,144.08
Step by Step Solution
- Step 1: Write the proportion equation
76,664.97 : 115,011.99 = 26,759.34 : x - Step 2: Convert to fraction form
76,664.97/115,011.99 = 26,759.34/x - Step 3: Cross multiply
76,664.97x = 115,011.99 × 26,759.34 - Step 4: Simplify right side
76,664.97x = 3,077,644,944.49 - Step 5: Solve for x
x = 3,077,644,944.49/76,664.97 - Step 6: Final answer
x = 40,144.08
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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.