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Finding the Fourth Proportional to 73,784.55, 110,512.80 and 57,090.45

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Solution

The fourth proportional to 73,784.55, 110,512.80 and 57,090.45 is: 85,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,784.55 : 110,512.80 = 57,090.45 : x
  2. Step 2: Convert to fraction form
    73,784.55/110,512.80 = 57,090.45/x
  3. Step 3: Cross multiply
    73,784.55x = 110,512.80 × 57,090.45
  4. Step 4: Simplify right side
    73,784.55x = 6,309,225,482.76
  5. Step 5: Solve for x
    x = 6,309,225,482.76/73,784.55
  6. Step 6: Final answer
    x = 85,508.76

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