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Finding the Fourth Proportional to 54,337.80, 81,506.70 and 47,047.80

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Solution

The fourth proportional to 54,337.80, 81,506.70 and 47,047.80 is: 70,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.80 : 81,506.70 = 47,047.80 : x
  2. Step 2: Convert to fraction form
    54,337.80/81,506.70 = 47,047.80/x
  3. Step 3: Cross multiply
    54,337.80x = 81,506.70 × 47,047.80
  4. Step 4: Simplify right side
    54,337.80x = 3,834,710,920.26
  5. Step 5: Solve for x
    x = 3,834,710,920.26/54,337.80
  6. Step 6: Final answer
    x = 70,571.70

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