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Finding the Fourth Proportional to 86,213.76, 118,973.82 and 48,488.01

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Solution

The fourth proportional to 86,213.76, 118,973.82 and 48,488.01 is: 66,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.76 : 118,973.82 = 48,488.01 : x
  2. Step 2: Convert to fraction form
    86,213.76/118,973.82 = 48,488.01/x
  3. Step 3: Cross multiply
    86,213.76x = 118,973.82 × 48,488.01
  4. Step 4: Simplify right side
    86,213.76x = 5,768,803,773.90
  5. Step 5: Solve for x
    x = 5,768,803,773.90/86,213.76
  6. Step 6: Final answer
    x = 66,912.80

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