Home / 79,822.37-119,742.81-26,519.10

Finding the Fourth Proportional to 79,822.37, 119,742.81 and 26,519.10

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Solution

The fourth proportional to 79,822.37, 119,742.81 and 26,519.10 is: 39,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,822.37 : 119,742.81 = 26,519.10 : x
  2. Step 2: Convert to fraction form
    79,822.37/119,742.81 = 26,519.10/x
  3. Step 3: Cross multiply
    79,822.37x = 119,742.81 × 26,519.10
  4. Step 4: Simplify right side
    79,822.37x = 3,175,471,585.82
  5. Step 5: Solve for x
    x = 3,175,471,585.82/79,822.37
  6. Step 6: Final answer
    x = 39,781.73

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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.