Home / 115,489.10-173,211.78-48,931.40

Finding the Fourth Proportional to 115,489.10, 173,211.78 and 48,931.40

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Solution

The fourth proportional to 115,489.10, 173,211.78 and 48,931.40 is: 73,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,489.10 : 173,211.78 = 48,931.40 : x
  2. Step 2: Convert to fraction form
    115,489.10/173,211.78 = 48,931.40/x
  3. Step 3: Cross multiply
    115,489.10x = 173,211.78 × 48,931.40
  4. Step 4: Simplify right side
    115,489.10x = 8,475,494,891.89
  5. Step 5: Solve for x
    x = 8,475,494,891.89/115,489.10
  6. Step 6: Final answer
    x = 73,387.83

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