Home / 74,949.90-103,383.29-57,005.57

Finding the Fourth Proportional to 74,949.90, 103,383.29 and 57,005.57

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Solution

The fourth proportional to 74,949.90, 103,383.29 and 57,005.57 is: 78,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.90 : 103,383.29 = 57,005.57 : x
  2. Step 2: Convert to fraction form
    74,949.90/103,383.29 = 57,005.57/x
  3. Step 3: Cross multiply
    74,949.90x = 103,383.29 × 57,005.57
  4. Step 4: Simplify right side
    74,949.90x = 5,893,422,572.98
  5. Step 5: Solve for x
    x = 5,893,422,572.98/74,949.90
  6. Step 6: Final answer
    x = 78,631.49

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