Home / 83,190.12-124,834.59-30,636.51

Finding the Fourth Proportional to 83,190.12, 124,834.59 and 30,636.51

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Solution

The fourth proportional to 83,190.12, 124,834.59 and 30,636.51 is: 45,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.12 : 124,834.59 = 30,636.51 : x
  2. Step 2: Convert to fraction form
    83,190.12/124,834.59 = 30,636.51/x
  3. Step 3: Cross multiply
    83,190.12x = 124,834.59 × 30,636.51
  4. Step 4: Simplify right side
    83,190.12x = 3,824,496,164.88
  5. Step 5: Solve for x
    x = 3,824,496,164.88/83,190.12
  6. Step 6: Final answer
    x = 45,972.96

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