Home / 86,592.11-119,579.64-81,874.60

Finding the Fourth Proportional to 86,592.11, 119,579.64 and 81,874.60

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Solution

The fourth proportional to 86,592.11, 119,579.64 and 81,874.60 is: 113,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,592.11 : 119,579.64 = 81,874.60 : x
  2. Step 2: Convert to fraction form
    86,592.11/119,579.64 = 81,874.60/x
  3. Step 3: Cross multiply
    86,592.11x = 119,579.64 × 81,874.60
  4. Step 4: Simplify right side
    86,592.11x = 9,790,535,425.44
  5. Step 5: Solve for x
    x = 9,790,535,425.44/86,592.11
  6. Step 6: Final answer
    x = 113,064.98

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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.