Home / 54,519.35-81,780.84-15,076.79

Finding the Fourth Proportional to 54,519.35, 81,780.84 and 15,076.79

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Solution

The fourth proportional to 54,519.35, 81,780.84 and 15,076.79 is: 22,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.35 : 81,780.84 = 15,076.79 : x
  2. Step 2: Convert to fraction form
    54,519.35/81,780.84 = 15,076.79/x
  3. Step 3: Cross multiply
    54,519.35x = 81,780.84 × 15,076.79
  4. Step 4: Simplify right side
    54,519.35x = 1,232,992,550.70
  5. Step 5: Solve for x
    x = 1,232,992,550.70/54,519.35
  6. Step 6: Final answer
    x = 22,615.69

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1.5x scale

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.