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Finding the Fourth Proportional to 70,840.60, 97,756.52 and 39,003.55

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Solution

The fourth proportional to 70,840.60, 97,756.52 and 39,003.55 is: 53,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.60 : 97,756.52 = 39,003.55 : x
  2. Step 2: Convert to fraction form
    70,840.60/97,756.52 = 39,003.55/x
  3. Step 3: Cross multiply
    70,840.60x = 97,756.52 × 39,003.55
  4. Step 4: Simplify right side
    70,840.60x = 3,812,851,315.65
  5. Step 5: Solve for x
    x = 3,812,851,315.65/70,840.60
  6. Step 6: Final answer
    x = 53,822.97

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