Home / 51,017.41-76,636.84-43,135.76

Finding the Fourth Proportional to 51,017.41, 76,636.84 and 43,135.76

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Solution

The fourth proportional to 51,017.41, 76,636.84 and 43,135.76 is: 64,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.41 : 76,636.84 = 43,135.76 : x
  2. Step 2: Convert to fraction form
    51,017.41/76,636.84 = 43,135.76/x
  3. Step 3: Cross multiply
    51,017.41x = 76,636.84 × 43,135.76
  4. Step 4: Simplify right side
    51,017.41x = 3,305,787,883.97
  5. Step 5: Solve for x
    x = 3,305,787,883.97/51,017.41
  6. Step 6: Final answer
    x = 64,797.25

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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.