Home / 75,821.14-113,739-23,221.36

Finding the Fourth Proportional to 75,821.14, 113,739 and 23,221.36

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Solution

The fourth proportional to 75,821.14, 113,739 and 23,221.36 is: 34,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.14 : 113,739 = 23,221.36 : x
  2. Step 2: Convert to fraction form
    75,821.14/113,739 = 23,221.36/x
  3. Step 3: Cross multiply
    75,821.14x = 113,739 × 23,221.36
  4. Step 4: Simplify right side
    75,821.14x = 2,641,174,265.04
  5. Step 5: Solve for x
    x = 2,641,174,265.04/75,821.14
  6. Step 6: Final answer
    x = 34,834.27

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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.