Finding the Fourth Proportional to 73,108.97, 109,664.36 and 25,725.49
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Solution
The fourth proportional to 73,108.97, 109,664.36 and 25,725.49 is: 38,588.55
Step by Step Solution
- Step 1: Write the proportion equation
73,108.97 : 109,664.36 = 25,725.49 : x - Step 2: Convert to fraction form
73,108.97/109,664.36 = 25,725.49/x - Step 3: Cross multiply
73,108.97x = 109,664.36 × 25,725.49 - Step 4: Simplify right side
73,108.97x = 2,821,169,396.54 - Step 5: Solve for x
x = 2,821,169,396.54/73,108.97 - Step 6: Final answer
x = 38,588.55
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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.