Home / 76,906.08-106,130.02-42,912.58

Finding the Fourth Proportional to 76,906.08, 106,130.02 and 42,912.58

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Solution

The fourth proportional to 76,906.08, 106,130.02 and 42,912.58 is: 59,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,906.08 : 106,130.02 = 42,912.58 : x
  2. Step 2: Convert to fraction form
    76,906.08/106,130.02 = 42,912.58/x
  3. Step 3: Cross multiply
    76,906.08x = 106,130.02 × 42,912.58
  4. Step 4: Simplify right side
    76,906.08x = 4,554,312,973.65
  5. Step 5: Solve for x
    x = 4,554,312,973.65/76,906.08
  6. Step 6: Final answer
    x = 59,219.15

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