Home / 113,821.40-170,759.06-38,942.36

Finding the Fourth Proportional to 113,821.40, 170,759.06 and 38,942.36

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Solution

The fourth proportional to 113,821.40, 170,759.06 and 38,942.36 is: 58,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.40 : 170,759.06 = 38,942.36 : x
  2. Step 2: Convert to fraction form
    113,821.40/170,759.06 = 38,942.36/x
  3. Step 3: Cross multiply
    113,821.40x = 170,759.06 × 38,942.36
  4. Step 4: Simplify right side
    113,821.40x = 6,649,760,787.78
  5. Step 5: Solve for x
    x = 6,649,760,787.78/113,821.40
  6. Step 6: Final answer
    x = 58,422.76

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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.