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Finding the Fourth Proportional to 89,905.48, 134,762.30 and 67,650.02

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Solution

The fourth proportional to 89,905.48, 134,762.30 and 67,650.02 is: 101,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905.48 : 134,762.30 = 67,650.02 : x
  2. Step 2: Convert to fraction form
    89,905.48/134,762.30 = 67,650.02/x
  3. Step 3: Cross multiply
    89,905.48x = 134,762.30 × 67,650.02
  4. Step 4: Simplify right side
    89,905.48x = 9,116,671,785.56
  5. Step 5: Solve for x
    x = 9,116,671,785.56/89,905.48
  6. Step 6: Final answer
    x = 101,402.85

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