Home / 83,865.48-125,848.44-31,311.87

Finding the Fourth Proportional to 83,865.48, 125,848.44 and 31,311.87

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Solution

The fourth proportional to 83,865.48, 125,848.44 and 31,311.87 is: 46,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.48 : 125,848.44 = 31,311.87 : x
  2. Step 2: Convert to fraction form
    83,865.48/125,848.44 = 31,311.87/x
  3. Step 3: Cross multiply
    83,865.48x = 125,848.44 × 31,311.87
  4. Step 4: Simplify right side
    83,865.48x = 3,940,549,992.98
  5. Step 5: Solve for x
    x = 3,940,549,992.98/83,865.48
  6. Step 6: Final answer
    x = 46,986.56

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