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Finding the Fourth Proportional to 75,827.12, 113,692.02 and 31,484.48

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Solution

The fourth proportional to 75,827.12, 113,692.02 and 31,484.48 is: 47,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,827.12 : 113,692.02 = 31,484.48 : x
  2. Step 2: Convert to fraction form
    75,827.12/113,692.02 = 31,484.48/x
  3. Step 3: Cross multiply
    75,827.12x = 113,692.02 × 31,484.48
  4. Step 4: Simplify right side
    75,827.12x = 3,579,534,129.85
  5. Step 5: Solve for x
    x = 3,579,534,129.85/75,827.12
  6. Step 6: Final answer
    x = 47,206.52

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