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Finding the Fourth Proportional to 48,855.40, 73,445.10 and 42,440.20

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Solution

The fourth proportional to 48,855.40, 73,445.10 and 42,440.20 is: 63,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,855.40 : 73,445.10 = 42,440.20 : x
  2. Step 2: Convert to fraction form
    48,855.40/73,445.10 = 42,440.20/x
  3. Step 3: Cross multiply
    48,855.40x = 73,445.10 × 42,440.20
  4. Step 4: Simplify right side
    48,855.40x = 3,117,024,733.02
  5. Step 5: Solve for x
    x = 3,117,024,733.02/48,855.40
  6. Step 6: Final answer
    x = 63,801.03

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