Home / 48,116.75-66,430.28-31,378.91

Finding the Fourth Proportional to 48,116.75, 66,430.28 and 31,378.91

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Solution

The fourth proportional to 48,116.75, 66,430.28 and 31,378.91 is: 43,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,116.75 : 66,430.28 = 31,378.91 : x
  2. Step 2: Convert to fraction form
    48,116.75/66,430.28 = 31,378.91/x
  3. Step 3: Cross multiply
    48,116.75x = 66,430.28 × 31,378.91
  4. Step 4: Simplify right side
    48,116.75x = 2,084,509,620.50
  5. Step 5: Solve for x
    x = 2,084,509,620.50/48,116.75
  6. Step 6: Final answer
    x = 43,321.91

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