Home / 54,735.40-82,005.90-51,236.20

Finding the Fourth Proportional to 54,735.40, 82,005.90 and 51,236.20

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Solution

The fourth proportional to 54,735.40, 82,005.90 and 51,236.20 is: 76,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.40 : 82,005.90 = 51,236.20 : x
  2. Step 2: Convert to fraction form
    54,735.40/82,005.90 = 51,236.20/x
  3. Step 3: Cross multiply
    54,735.40x = 82,005.90 × 51,236.20
  4. Step 4: Simplify right side
    54,735.40x = 4,201,670,693.58
  5. Step 5: Solve for x
    x = 4,201,670,693.58/54,735.40
  6. Step 6: Final answer
    x = 76,763.31

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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.