Home / 115,438.72-173,150.40-45,329.92

Finding the Fourth Proportional to 115,438.72, 173,150.40 and 45,329.92

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Solution

The fourth proportional to 115,438.72, 173,150.40 and 45,329.92 is: 67,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,438.72 : 173,150.40 = 45,329.92 : x
  2. Step 2: Convert to fraction form
    115,438.72/173,150.40 = 45,329.92/x
  3. Step 3: Cross multiply
    115,438.72x = 173,150.40 × 45,329.92
  4. Step 4: Simplify right side
    115,438.72x = 7,848,893,779.97
  5. Step 5: Solve for x
    x = 7,848,893,779.97/115,438.72
  6. Step 6: Final answer
    x = 67,991.86

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