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Finding the Fourth Proportional to 91,068.76, 125,683.18 and 55,267.88

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Solution

The fourth proportional to 91,068.76, 125,683.18 and 55,267.88 is: 76,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.76 : 125,683.18 = 55,267.88 : x
  2. Step 2: Convert to fraction form
    91,068.76/125,683.18 = 55,267.88/x
  3. Step 3: Cross multiply
    91,068.76x = 125,683.18 × 55,267.88
  4. Step 4: Simplify right side
    91,068.76x = 6,946,242,910.26
  5. Step 5: Solve for x
    x = 6,946,242,910.26/91,068.76
  6. Step 6: Final answer
    x = 76,274.71

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