Home / 43,722.12-65,579.94-17,432.76

Finding the Fourth Proportional to 43,722.12, 65,579.94 and 17,432.76

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Solution

The fourth proportional to 43,722.12, 65,579.94 and 17,432.76 is: 26,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.12 : 65,579.94 = 17,432.76 : x
  2. Step 2: Convert to fraction form
    43,722.12/65,579.94 = 17,432.76/x
  3. Step 3: Cross multiply
    43,722.12x = 65,579.94 × 17,432.76
  4. Step 4: Simplify right side
    43,722.12x = 1,143,239,354.83
  5. Step 5: Solve for x
    x = 1,143,239,354.83/43,722.12
  6. Step 6: Final answer
    x = 26,147.85

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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.