Home / 53,004.28-73,147.66-29,131.80

Finding the Fourth Proportional to 53,004.28, 73,147.66 and 29,131.80

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Solution

The fourth proportional to 53,004.28, 73,147.66 and 29,131.80 is: 40,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.28 : 73,147.66 = 29,131.80 : x
  2. Step 2: Convert to fraction form
    53,004.28/73,147.66 = 29,131.80/x
  3. Step 3: Cross multiply
    53,004.28x = 73,147.66 × 29,131.80
  4. Step 4: Simplify right side
    53,004.28x = 2,130,923,001.59
  5. Step 5: Solve for x
    x = 2,130,923,001.59/53,004.28
  6. Step 6: Final answer
    x = 40,202.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.