Home / 78,931.02-118,440.27-32,180.28

Finding the Fourth Proportional to 78,931.02, 118,440.27 and 32,180.28

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Solution

The fourth proportional to 78,931.02, 118,440.27 and 32,180.28 is: 48,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,931.02 : 118,440.27 = 32,180.28 : x
  2. Step 2: Convert to fraction form
    78,931.02/118,440.27 = 32,180.28/x
  3. Step 3: Cross multiply
    78,931.02x = 118,440.27 × 32,180.28
  4. Step 4: Simplify right side
    78,931.02x = 3,811,441,051.88
  5. Step 5: Solve for x
    x = 3,811,441,051.88/78,931.02
  6. Step 6: Final answer
    x = 48,288.25

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