Home / 55,570.32-76,687.56-31,698.41

Finding the Fourth Proportional to 55,570.32, 76,687.56 and 31,698.41

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Solution

The fourth proportional to 55,570.32, 76,687.56 and 31,698.41 is: 43,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.32 : 76,687.56 = 31,698.41 : x
  2. Step 2: Convert to fraction form
    55,570.32/76,687.56 = 31,698.41/x
  3. Step 3: Cross multiply
    55,570.32x = 76,687.56 × 31,698.41
  4. Step 4: Simplify right side
    55,570.32x = 2,430,873,335.34
  5. Step 5: Solve for x
    x = 2,430,873,335.34/55,570.32
  6. Step 6: Final answer
    x = 43,744.09

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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.