Home / 115,011.26-172,523.78-36,125.48

Finding the Fourth Proportional to 115,011.26, 172,523.78 and 36,125.48

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Solution

The fourth proportional to 115,011.26, 172,523.78 and 36,125.48 is: 54,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,011.26 : 172,523.78 = 36,125.48 : x
  2. Step 2: Convert to fraction form
    115,011.26/172,523.78 = 36,125.48/x
  3. Step 3: Cross multiply
    115,011.26x = 172,523.78 × 36,125.48
  4. Step 4: Simplify right side
    115,011.26x = 6,232,504,363.91
  5. Step 5: Solve for x
    x = 6,232,504,363.91/115,011.26
  6. Step 6: Final answer
    x = 54,190.38

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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.