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Finding the Fourth Proportional to 89,709.62, 134,567.60 and 30,537.59

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Solution

The fourth proportional to 89,709.62, 134,567.60 and 30,537.59 is: 45,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709.62 : 134,567.60 = 30,537.59 : x
  2. Step 2: Convert to fraction form
    89,709.62/134,567.60 = 30,537.59/x
  3. Step 3: Cross multiply
    89,709.62x = 134,567.60 × 30,537.59
  4. Step 4: Simplify right side
    89,709.62x = 4,109,369,370.56
  5. Step 5: Solve for x
    x = 4,109,369,370.56/89,709.62
  6. Step 6: Final answer
    x = 45,807.46

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