Home / 85,467.12-128,246.58-35,581.65

Finding the Fourth Proportional to 85,467.12, 128,246.58 and 35,581.65

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Solution

The fourth proportional to 85,467.12, 128,246.58 and 35,581.65 is: 53,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.12 : 128,246.58 = 35,581.65 : x
  2. Step 2: Convert to fraction form
    85,467.12/128,246.58 = 35,581.65/x
  3. Step 3: Cross multiply
    85,467.12x = 128,246.58 × 35,581.65
  4. Step 4: Simplify right side
    85,467.12x = 4,563,224,923.26
  5. Step 5: Solve for x
    x = 4,563,224,923.26/85,467.12
  6. Step 6: Final answer
    x = 53,391.58

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