Home / 69,800.80-104,544.24-54,171.04

Finding the Fourth Proportional to 69,800.80, 104,544.24 and 54,171.04

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Solution

The fourth proportional to 69,800.80, 104,544.24 and 54,171.04 is: 81,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.80 : 104,544.24 = 54,171.04 : x
  2. Step 2: Convert to fraction form
    69,800.80/104,544.24 = 54,171.04/x
  3. Step 3: Cross multiply
    69,800.80x = 104,544.24 × 54,171.04
  4. Step 4: Simplify right side
    69,800.80x = 5,663,270,206.81
  5. Step 5: Solve for x
    x = 5,663,270,206.81/69,800.80
  6. Step 6: Final answer
    x = 81,134.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.