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Finding the Fourth Proportional to 75,607.20, 113,410.80 and 58,111.20

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Solution

The fourth proportional to 75,607.20, 113,410.80 and 58,111.20 is: 87,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607.20 : 113,410.80 = 58,111.20 : x
  2. Step 2: Convert to fraction form
    75,607.20/113,410.80 = 58,111.20/x
  3. Step 3: Cross multiply
    75,607.20x = 113,410.80 × 58,111.20
  4. Step 4: Simplify right side
    75,607.20x = 6,590,437,680.96
  5. Step 5: Solve for x
    x = 6,590,437,680.96/75,607.20
  6. Step 6: Final answer
    x = 87,166.80

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