Home / 87,680.47-121,001.85-49,957.15

Finding the Fourth Proportional to 87,680.47, 121,001.85 and 49,957.15

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Solution

The fourth proportional to 87,680.47, 121,001.85 and 49,957.15 is: 68,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680.47 : 121,001.85 = 49,957.15 : x
  2. Step 2: Convert to fraction form
    87,680.47/121,001.85 = 49,957.15/x
  3. Step 3: Cross multiply
    87,680.47x = 121,001.85 × 49,957.15
  4. Step 4: Simplify right side
    87,680.47x = 6,044,907,570.73
  5. Step 5: Solve for x
    x = 6,044,907,570.73/87,680.47
  6. Step 6: Final answer
    x = 68,942.46

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