Home / 51,395.76-77,104.44-18,116.64

Finding the Fourth Proportional to 51,395.76, 77,104.44 and 18,116.64

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Solution

The fourth proportional to 51,395.76, 77,104.44 and 18,116.64 is: 27,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,395.76 : 77,104.44 = 18,116.64 : x
  2. Step 2: Convert to fraction form
    51,395.76/77,104.44 = 18,116.64/x
  3. Step 3: Cross multiply
    51,395.76x = 77,104.44 × 18,116.64
  4. Step 4: Simplify right side
    51,395.76x = 1,396,873,381.88
  5. Step 5: Solve for x
    x = 1,396,873,381.88/51,395.76
  6. Step 6: Final answer
    x = 27,178.77

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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.