Home / 82,919.40-114,408.36-50,645.76

Finding the Fourth Proportional to 82,919.40, 114,408.36 and 50,645.76

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Solution

The fourth proportional to 82,919.40, 114,408.36 and 50,645.76 is: 69,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.40 : 114,408.36 = 50,645.76 : x
  2. Step 2: Convert to fraction form
    82,919.40/114,408.36 = 50,645.76/x
  3. Step 3: Cross multiply
    82,919.40x = 114,408.36 × 50,645.76
  4. Step 4: Simplify right side
    82,919.40x = 5,794,298,342.55
  5. Step 5: Solve for x
    x = 5,794,298,342.55/82,919.40
  6. Step 6: Final answer
    x = 69,878.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.