Home / 102,839.22-154,278.27-36,271.80

Finding the Fourth Proportional to 102,839.22, 154,278.27 and 36,271.80

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Solution

The fourth proportional to 102,839.22, 154,278.27 and 36,271.80 is: 54,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,839.22 : 154,278.27 = 36,271.80 : x
  2. Step 2: Convert to fraction form
    102,839.22/154,278.27 = 36,271.80/x
  3. Step 3: Cross multiply
    102,839.22x = 154,278.27 × 36,271.80
  4. Step 4: Simplify right side
    102,839.22x = 5,595,950,553.79
  5. Step 5: Solve for x
    x = 5,595,950,553.79/102,839.22
  6. Step 6: Final answer
    x = 54,414.56

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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.