Home / 51,283.11-76,722.37-38,839.08

Finding the Fourth Proportional to 51,283.11, 76,722.37 and 38,839.08

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Solution

The fourth proportional to 51,283.11, 76,722.37 and 38,839.08 is: 58,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,283.11 : 76,722.37 = 38,839.08 : x
  2. Step 2: Convert to fraction form
    51,283.11/76,722.37 = 38,839.08/x
  3. Step 3: Cross multiply
    51,283.11x = 76,722.37 × 38,839.08
  4. Step 4: Simplify right side
    51,283.11x = 2,979,826,169.12
  5. Step 5: Solve for x
    x = 2,979,826,169.12/51,283.11
  6. Step 6: Final answer
    x = 58,105.41

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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.