Home / 75,146.02-103,709.63-47,923

Finding the Fourth Proportional to 75,146.02, 103,709.63 and 47,923

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Solution

The fourth proportional to 75,146.02, 103,709.63 and 47,923 is: 66,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.02 : 103,709.63 = 47,923 : x
  2. Step 2: Convert to fraction form
    75,146.02/103,709.63 = 47,923/x
  3. Step 3: Cross multiply
    75,146.02x = 103,709.63 × 47,923
  4. Step 4: Simplify right side
    75,146.02x = 4,970,076,598.49
  5. Step 5: Solve for x
    x = 4,970,076,598.49/75,146.02
  6. Step 6: Final answer
    x = 66,138.92

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