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Finding the Fourth Proportional to 70,904.10, 97,848.31 and 39,074.13

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Solution

The fourth proportional to 70,904.10, 97,848.31 and 39,074.13 is: 53,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,904.10 : 97,848.31 = 39,074.13 : x
  2. Step 2: Convert to fraction form
    70,904.10/97,848.31 = 39,074.13/x
  3. Step 3: Cross multiply
    70,904.10x = 97,848.31 × 39,074.13
  4. Step 4: Simplify right side
    70,904.10x = 3,823,337,487.53
  5. Step 5: Solve for x
    x = 3,823,337,487.53/70,904.10
  6. Step 6: Final answer
    x = 53,922.66

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