Home / 74,189.04-111,288.68-29,815.82

Finding the Fourth Proportional to 74,189.04, 111,288.68 and 29,815.82

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Solution

The fourth proportional to 74,189.04, 111,288.68 and 29,815.82 is: 44,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.04 : 111,288.68 = 29,815.82 : x
  2. Step 2: Convert to fraction form
    74,189.04/111,288.68 = 29,815.82/x
  3. Step 3: Cross multiply
    74,189.04x = 111,288.68 × 29,815.82
  4. Step 4: Simplify right side
    74,189.04x = 3,318,163,250.92
  5. Step 5: Solve for x
    x = 3,318,163,250.92/74,189.04
  6. Step 6: Final answer
    x = 44,725.79

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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.