Home / 55,747.81-76,934.31-31,874.48

Finding the Fourth Proportional to 55,747.81, 76,934.31 and 31,874.48

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Solution

The fourth proportional to 55,747.81, 76,934.31 and 31,874.48 is: 43,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.81 : 76,934.31 = 31,874.48 : x
  2. Step 2: Convert to fraction form
    55,747.81/76,934.31 = 31,874.48/x
  3. Step 3: Cross multiply
    55,747.81x = 76,934.31 × 31,874.48
  4. Step 4: Simplify right side
    55,747.81x = 2,452,240,909.71
  5. Step 5: Solve for x
    x = 2,452,240,909.71/55,747.81
  6. Step 6: Final answer
    x = 43,988.11

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