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Finding the Fourth Proportional to 70,175.24, 105,279.28 and 47,999.06

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Solution

The fourth proportional to 70,175.24, 105,279.28 and 47,999.06 is: 72,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,175.24 : 105,279.28 = 47,999.06 : x
  2. Step 2: Convert to fraction form
    70,175.24/105,279.28 = 47,999.06/x
  3. Step 3: Cross multiply
    70,175.24x = 105,279.28 × 47,999.06
  4. Step 4: Simplify right side
    70,175.24x = 5,053,306,477.48
  5. Step 5: Solve for x
    x = 5,053,306,477.48/70,175.24
  6. Step 6: Final answer
    x = 72,009.82

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