Home / 80,553.51-111,163.98-44,742.60

Finding the Fourth Proportional to 80,553.51, 111,163.98 and 44,742.60

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Solution

The fourth proportional to 80,553.51, 111,163.98 and 44,742.60 is: 61,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.51 : 111,163.98 = 44,742.60 : x
  2. Step 2: Convert to fraction form
    80,553.51/111,163.98 = 44,742.60/x
  3. Step 3: Cross multiply
    80,553.51x = 111,163.98 × 44,742.60
  4. Step 4: Simplify right side
    80,553.51x = 4,973,765,491.55
  5. Step 5: Solve for x
    x = 4,973,765,491.55/80,553.51
  6. Step 6: Final answer
    x = 61,744.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.