Home / 74,723.23-103,118.12-40,731.76

Finding the Fourth Proportional to 74,723.23, 103,118.12 and 40,731.76

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Solution

The fourth proportional to 74,723.23, 103,118.12 and 40,731.76 is: 56,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.23 : 103,118.12 = 40,731.76 : x
  2. Step 2: Convert to fraction form
    74,723.23/103,118.12 = 40,731.76/x
  3. Step 3: Cross multiply
    74,723.23x = 103,118.12 × 40,731.76
  4. Step 4: Simplify right side
    74,723.23x = 4,200,182,515.49
  5. Step 5: Solve for x
    x = 4,200,182,515.49/74,723.23
  6. Step 6: Final answer
    x = 56,209.86

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