Home / 81,885.20-113,003.79-46,076.48

Finding the Fourth Proportional to 81,885.20, 113,003.79 and 46,076.48

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Solution

The fourth proportional to 81,885.20, 113,003.79 and 46,076.48 is: 63,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885.20 : 113,003.79 = 46,076.48 : x
  2. Step 2: Convert to fraction form
    81,885.20/113,003.79 = 46,076.48/x
  3. Step 3: Cross multiply
    81,885.20x = 113,003.79 × 46,076.48
  4. Step 4: Simplify right side
    81,885.20x = 5,206,816,639.48
  5. Step 5: Solve for x
    x = 5,206,816,639.48/81,885.20
  6. Step 6: Final answer
    x = 63,586.79

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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.