Home / 55,744.20-76,914.36-31,867.02

Finding the Fourth Proportional to 55,744.20, 76,914.36 and 31,867.02

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Solution

The fourth proportional to 55,744.20, 76,914.36 and 31,867.02 is: 43,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,744.20 : 76,914.36 = 31,867.02 : x
  2. Step 2: Convert to fraction form
    55,744.20/76,914.36 = 31,867.02/x
  3. Step 3: Cross multiply
    55,744.20x = 76,914.36 × 31,867.02
  4. Step 4: Simplify right side
    55,744.20x = 2,451,031,448.41
  5. Step 5: Solve for x
    x = 2,451,031,448.41/55,744.20
  6. Step 6: Final answer
    x = 43,969.26

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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.