Home / 69,180.81-103,707.41-27,089.57

Finding the Fourth Proportional to 69,180.81, 103,707.41 and 27,089.57

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Solution

The fourth proportional to 69,180.81, 103,707.41 and 27,089.57 is: 40,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,180.81 : 103,707.41 = 27,089.57 : x
  2. Step 2: Convert to fraction form
    69,180.81/103,707.41 = 27,089.57/x
  3. Step 3: Cross multiply
    69,180.81x = 103,707.41 × 27,089.57
  4. Step 4: Simplify right side
    69,180.81x = 2,809,388,488.73
  5. Step 5: Solve for x
    x = 2,809,388,488.73/69,180.81
  6. Step 6: Final answer
    x = 40,609.36

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1.5x scale

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.