Home / 43,139.20-64,676.53-29,059.71

Finding the Fourth Proportional to 43,139.20, 64,676.53 and 29,059.71

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Solution

The fourth proportional to 43,139.20, 64,676.53 and 29,059.71 is: 43,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139.20 : 64,676.53 = 29,059.71 : x
  2. Step 2: Convert to fraction form
    43,139.20/64,676.53 = 29,059.71/x
  3. Step 3: Cross multiply
    43,139.20x = 64,676.53 × 29,059.71
  4. Step 4: Simplify right side
    43,139.20x = 1,879,481,199.74
  5. Step 5: Solve for x
    x = 1,879,481,199.74/43,139.20
  6. Step 6: Final answer
    x = 43,567.83

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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.