Home / 43,929.24-65,900.28-12,760.44

Finding the Fourth Proportional to 43,929.24, 65,900.28 and 12,760.44

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Solution

The fourth proportional to 43,929.24, 65,900.28 and 12,760.44 is: 19,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,929.24 : 65,900.28 = 12,760.44 : x
  2. Step 2: Convert to fraction form
    43,929.24/65,900.28 = 12,760.44/x
  3. Step 3: Cross multiply
    43,929.24x = 65,900.28 × 12,760.44
  4. Step 4: Simplify right side
    43,929.24x = 840,916,568.92
  5. Step 5: Solve for x
    x = 840,916,568.92/43,929.24
  6. Step 6: Final answer
    x = 19,142.52

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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.