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Finding the Fourth Proportional to 89,048.40, 133,572.60 and 55,870.80

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Solution

The fourth proportional to 89,048.40, 133,572.60 and 55,870.80 is: 83,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.40 : 133,572.60 = 55,870.80 : x
  2. Step 2: Convert to fraction form
    89,048.40/133,572.60 = 55,870.80/x
  3. Step 3: Cross multiply
    89,048.40x = 133,572.60 × 55,870.80
  4. Step 4: Simplify right side
    89,048.40x = 7,462,808,020.08
  5. Step 5: Solve for x
    x = 7,462,808,020.08/89,048.40
  6. Step 6: Final answer
    x = 83,806.20

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