Home / 113,128.38-169,434.20-54,005.58

Finding the Fourth Proportional to 113,128.38, 169,434.20 and 54,005.58

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Solution

The fourth proportional to 113,128.38, 169,434.20 and 54,005.58 is: 80,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,128.38 : 169,434.20 = 54,005.58 : x
  2. Step 2: Convert to fraction form
    113,128.38/169,434.20 = 54,005.58/x
  3. Step 3: Cross multiply
    113,128.38x = 169,434.20 × 54,005.58
  4. Step 4: Simplify right side
    113,128.38x = 9,150,392,242.84
  5. Step 5: Solve for x
    x = 9,150,392,242.84/113,128.38
  6. Step 6: Final answer
    x = 80,885.03

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