Home / 79,579.05-119,358.37-26,257.83

Finding the Fourth Proportional to 79,579.05, 119,358.37 and 26,257.83

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Solution

The fourth proportional to 79,579.05, 119,358.37 and 26,257.83 is: 39,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.05 : 119,358.37 = 26,257.83 : x
  2. Step 2: Convert to fraction form
    79,579.05/119,358.37 = 26,257.83/x
  3. Step 3: Cross multiply
    79,579.05x = 119,358.37 × 26,257.83
  4. Step 4: Simplify right side
    79,579.05x = 3,134,091,373.77
  5. Step 5: Solve for x
    x = 3,134,091,373.77/79,579.05
  6. Step 6: Final answer
    x = 39,383.37

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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.