Home / 116,718.20-175,077.30-72,431.45

Finding the Fourth Proportional to 116,718.20, 175,077.30 and 72,431.45

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Solution

The fourth proportional to 116,718.20, 175,077.30 and 72,431.45 is: 108,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,718.20 : 175,077.30 = 72,431.45 : x
  2. Step 2: Convert to fraction form
    116,718.20/175,077.30 = 72,431.45/x
  3. Step 3: Cross multiply
    116,718.20x = 175,077.30 × 72,431.45
  4. Step 4: Simplify right side
    116,718.20x = 12,681,102,701.09
  5. Step 5: Solve for x
    x = 12,681,102,701.09/116,718.20
  6. Step 6: Final answer
    x = 108,647.18

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