Home / 69,139.46-103,686.13-27,008.62

Finding the Fourth Proportional to 69,139.46, 103,686.13 and 27,008.62

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Solution

The fourth proportional to 69,139.46, 103,686.13 and 27,008.62 is: 40,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,139.46 : 103,686.13 = 27,008.62 : x
  2. Step 2: Convert to fraction form
    69,139.46/103,686.13 = 27,008.62/x
  3. Step 3: Cross multiply
    69,139.46x = 103,686.13 × 27,008.62
  4. Step 4: Simplify right side
    69,139.46x = 2,800,419,284.44
  5. Step 5: Solve for x
    x = 2,800,419,284.44/69,139.46
  6. Step 6: Final answer
    x = 40,503.92

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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.