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Finding the Fourth Proportional to 75,607.58, 104,342.55 and 42,074.30

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Solution

The fourth proportional to 75,607.58, 104,342.55 and 42,074.30 is: 58,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607.58 : 104,342.55 = 42,074.30 : x
  2. Step 2: Convert to fraction form
    75,607.58/104,342.55 = 42,074.30/x
  3. Step 3: Cross multiply
    75,607.58x = 104,342.55 × 42,074.30
  4. Step 4: Simplify right side
    75,607.58x = 4,390,139,751.47
  5. Step 5: Solve for x
    x = 4,390,139,751.47/75,607.58
  6. Step 6: Final answer
    x = 58,064.81

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