Home / 91,623.33-137,428.43-28,441.94

Finding the Fourth Proportional to 91,623.33, 137,428.43 and 28,441.94

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Solution

The fourth proportional to 91,623.33, 137,428.43 and 28,441.94 is: 42,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.33 : 137,428.43 = 28,441.94 : x
  2. Step 2: Convert to fraction form
    91,623.33/137,428.43 = 28,441.94/x
  3. Step 3: Cross multiply
    91,623.33x = 137,428.43 × 28,441.94
  4. Step 4: Simplify right side
    91,623.33x = 3,908,730,331.00
  5. Step 5: Solve for x
    x = 3,908,730,331.00/91,623.33
  6. Step 6: Final answer
    x = 42,660.86

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