Home / 81,345.03-112,254.73-45,045.75

Finding the Fourth Proportional to 81,345.03, 112,254.73 and 45,045.75

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Solution

The fourth proportional to 81,345.03, 112,254.73 and 45,045.75 is: 62,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,345.03 : 112,254.73 = 45,045.75 : x
  2. Step 2: Convert to fraction form
    81,345.03/112,254.73 = 45,045.75/x
  3. Step 3: Cross multiply
    81,345.03x = 112,254.73 × 45,045.75
  4. Step 4: Simplify right side
    81,345.03x = 5,056,598,391.28
  5. Step 5: Solve for x
    x = 5,056,598,391.28/81,345.03
  6. Step 6: Final answer
    x = 62,162.35

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