Home / 84,782.08-127,378.56-74,828.80

Finding the Fourth Proportional to 84,782.08, 127,378.56 and 74,828.80

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Solution

The fourth proportional to 84,782.08, 127,378.56 and 74,828.80 is: 112,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,782.08 : 127,378.56 = 74,828.80 : x
  2. Step 2: Convert to fraction form
    84,782.08/127,378.56 = 74,828.80/x
  3. Step 3: Cross multiply
    84,782.08x = 127,378.56 × 74,828.80
  4. Step 4: Simplify right side
    84,782.08x = 9,531,584,790.53
  5. Step 5: Solve for x
    x = 9,531,584,790.53/84,782.08
  6. Step 6: Final answer
    x = 112,424.52

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