Home / 55,164.20-82,745.84-15,721.43

Finding the Fourth Proportional to 55,164.20, 82,745.84 and 15,721.43

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Solution

The fourth proportional to 55,164.20, 82,745.84 and 15,721.43 is: 23,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164.20 : 82,745.84 = 15,721.43 : x
  2. Step 2: Convert to fraction form
    55,164.20/82,745.84 = 15,721.43/x
  3. Step 3: Cross multiply
    55,164.20x = 82,745.84 × 15,721.43
  4. Step 4: Simplify right side
    55,164.20x = 1,300,882,852.74
  5. Step 5: Solve for x
    x = 1,300,882,852.74/55,164.20
  6. Step 6: Final answer
    x = 23,582.01

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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.