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Finding the Fourth Proportional to 70,907.50, 97,852.35 and 39,079.36

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Solution

The fourth proportional to 70,907.50, 97,852.35 and 39,079.36 is: 53,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.50 : 97,852.35 = 39,079.36 : x
  2. Step 2: Convert to fraction form
    70,907.50/97,852.35 = 39,079.36/x
  3. Step 3: Cross multiply
    70,907.50x = 97,852.35 × 39,079.36
  4. Step 4: Simplify right side
    70,907.50x = 3,824,007,212.50
  5. Step 5: Solve for x
    x = 3,824,007,212.50/70,907.50
  6. Step 6: Final answer
    x = 53,929.52

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