Home / 69,815.70-104,723.55-54,069.30

Finding the Fourth Proportional to 69,815.70, 104,723.55 and 54,069.30

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Solution

The fourth proportional to 69,815.70, 104,723.55 and 54,069.30 is: 81,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,815.70 : 104,723.55 = 54,069.30 : x
  2. Step 2: Convert to fraction form
    69,815.70/104,723.55 = 54,069.30/x
  3. Step 3: Cross multiply
    69,815.70x = 104,723.55 × 54,069.30
  4. Step 4: Simplify right side
    69,815.70x = 5,662,329,042.02
  5. Step 5: Solve for x
    x = 5,662,329,042.02/69,815.70
  6. Step 6: Final answer
    x = 81,103.95

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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.