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Finding the Fourth Proportional to 48,273.80, 72,410.70 and 42,129.80

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Solution

The fourth proportional to 48,273.80, 72,410.70 and 42,129.80 is: 63,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,273.80 : 72,410.70 = 42,129.80 : x
  2. Step 2: Convert to fraction form
    48,273.80/72,410.70 = 42,129.80/x
  3. Step 3: Cross multiply
    48,273.80x = 72,410.70 × 42,129.80
  4. Step 4: Simplify right side
    48,273.80x = 3,050,648,308.86
  5. Step 5: Solve for x
    x = 3,050,648,308.86/48,273.80
  6. Step 6: Final answer
    x = 63,194.70

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