Home / 120,724.83-181,121.81-58,430.43

Finding the Fourth Proportional to 120,724.83, 181,121.81 and 58,430.43

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Solution

The fourth proportional to 120,724.83, 181,121.81 and 58,430.43 is: 87,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.83 : 181,121.81 = 58,430.43 : x
  2. Step 2: Convert to fraction form
    120,724.83/181,121.81 = 58,430.43/x
  3. Step 3: Cross multiply
    120,724.83x = 181,121.81 × 58,430.43
  4. Step 4: Simplify right side
    120,724.83x = 10,583,024,948.53
  5. Step 5: Solve for x
    x = 10,583,024,948.53/120,724.83
  6. Step 6: Final answer
    x = 87,662.37

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