Home / 91,816.09-137,428.87-47,382.33

Finding the Fourth Proportional to 91,816.09, 137,428.87 and 47,382.33

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Solution

The fourth proportional to 91,816.09, 137,428.87 and 47,382.33 is: 70,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,816.09 : 137,428.87 = 47,382.33 : x
  2. Step 2: Convert to fraction form
    91,816.09/137,428.87 = 47,382.33/x
  3. Step 3: Cross multiply
    91,816.09x = 137,428.87 × 47,382.33
  4. Step 4: Simplify right side
    91,816.09x = 6,511,700,069.87
  5. Step 5: Solve for x
    x = 6,511,700,069.87/91,816.09
  6. Step 6: Final answer
    x = 70,921.12

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