Home / 57,725.40-86,588.10-54,226.20

Finding the Fourth Proportional to 57,725.40, 86,588.10 and 54,226.20

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Solution

The fourth proportional to 57,725.40, 86,588.10 and 54,226.20 is: 81,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725.40 : 86,588.10 = 54,226.20 : x
  2. Step 2: Convert to fraction form
    57,725.40/86,588.10 = 54,226.20/x
  3. Step 3: Cross multiply
    57,725.40x = 86,588.10 × 54,226.20
  4. Step 4: Simplify right side
    57,725.40x = 4,695,343,628.22
  5. Step 5: Solve for x
    x = 4,695,343,628.22/57,725.40
  6. Step 6: Final answer
    x = 81,339.30

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