Home / 89,009.12-133,513.34-36,418.58

Finding the Fourth Proportional to 89,009.12, 133,513.34 and 36,418.58

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Solution

The fourth proportional to 89,009.12, 133,513.34 and 36,418.58 is: 54,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009.12 : 133,513.34 = 36,418.58 : x
  2. Step 2: Convert to fraction form
    89,009.12/133,513.34 = 36,418.58/x
  3. Step 3: Cross multiply
    89,009.12x = 133,513.34 × 36,418.58
  4. Step 4: Simplify right side
    89,009.12x = 4,862,366,253.86
  5. Step 5: Solve for x
    x = 4,862,366,253.86/89,009.12
  6. Step 6: Final answer
    x = 54,627.73

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