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Finding the Fourth Proportional to 73,530.90, 110,405.70 and 56,909.70

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Solution

The fourth proportional to 73,530.90, 110,405.70 and 56,909.70 is: 85,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,530.90 : 110,405.70 = 56,909.70 : x
  2. Step 2: Convert to fraction form
    73,530.90/110,405.70 = 56,909.70/x
  3. Step 3: Cross multiply
    73,530.90x = 110,405.70 × 56,909.70
  4. Step 4: Simplify right side
    73,530.90x = 6,283,155,265.29
  5. Step 5: Solve for x
    x = 6,283,155,265.29/73,530.90
  6. Step 6: Final answer
    x = 85,449.18

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