Home / 77,178.38-115,767.45-50,691.57

Finding the Fourth Proportional to 77,178.38, 115,767.45 and 50,691.57

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Solution

The fourth proportional to 77,178.38, 115,767.45 and 50,691.57 is: 76,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,178.38 : 115,767.45 = 50,691.57 : x
  2. Step 2: Convert to fraction form
    77,178.38/115,767.45 = 50,691.57/x
  3. Step 3: Cross multiply
    77,178.38x = 115,767.45 × 50,691.57
  4. Step 4: Simplify right side
    77,178.38x = 5,868,433,795.40
  5. Step 5: Solve for x
    x = 5,868,433,795.40/77,178.38
  6. Step 6: Final answer
    x = 76,037.28

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