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Finding the Fourth Proportional to 75,062.60, 112,557.54 and 30,671.72

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Solution

The fourth proportional to 75,062.60, 112,557.54 and 30,671.72 is: 45,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.60 : 112,557.54 = 30,671.72 : x
  2. Step 2: Convert to fraction form
    75,062.60/112,557.54 = 30,671.72/x
  3. Step 3: Cross multiply
    75,062.60x = 112,557.54 × 30,671.72
  4. Step 4: Simplify right side
    75,062.60x = 3,452,333,350.77
  5. Step 5: Solve for x
    x = 3,452,333,350.77/75,062.60
  6. Step 6: Final answer
    x = 45,992.72

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