Home / 81,885.08-113,003.61-46,076.36

Finding the Fourth Proportional to 81,885.08, 113,003.61 and 46,076.36

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Solution

The fourth proportional to 81,885.08, 113,003.61 and 46,076.36 is: 63,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885.08 : 113,003.61 = 46,076.36 : x
  2. Step 2: Convert to fraction form
    81,885.08/113,003.61 = 46,076.36/x
  3. Step 3: Cross multiply
    81,885.08x = 113,003.61 × 46,076.36
  4. Step 4: Simplify right side
    81,885.08x = 5,206,794,450.64
  5. Step 5: Solve for x
    x = 5,206,794,450.64/81,885.08
  6. Step 6: Final answer
    x = 63,586.61

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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.