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Finding the Fourth Proportional to 74,305.20, 111,457.80 and 44,707.80

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Solution

The fourth proportional to 74,305.20, 111,457.80 and 44,707.80 is: 67,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.20 : 111,457.80 = 44,707.80 : x
  2. Step 2: Convert to fraction form
    74,305.20/111,457.80 = 44,707.80/x
  3. Step 3: Cross multiply
    74,305.20x = 111,457.80 × 44,707.80
  4. Step 4: Simplify right side
    74,305.20x = 4,983,033,030.84
  5. Step 5: Solve for x
    x = 4,983,033,030.84/74,305.20
  6. Step 6: Final answer
    x = 67,061.70

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